{"id":4172,"date":"2021-12-29T21:28:07","date_gmt":"2021-12-29T12:28:07","guid":{"rendered":"https:\/\/hatsudy.com\/jp\/?p=4172"},"modified":"2022-07-14T00:39:11","modified_gmt":"2022-07-13T15:39:11","slug":"circle","status":"publish","type":"post","link":"https:\/\/hatsudy.com\/jp\/circle.html","title":{"rendered":"\u5186\u5468\u306e\u9577\u3055\u3068\u5186\u306e\u9762\u7a4d\u306e\u6c42\u3081\u65b9\uff1a\u5186\u5468\u7387\u3092\u7528\u3044\u305f\u56f3\u5f62\u306e\u8a08\u7b97"},"content":{"rendered":"\n<p>\u5c0f\u5b66\u7b97\u6570\u3067\u306f\u5186\u306e\u554f\u984c\u304c\u51fa\u3055\u308c\u307e\u3059\u3002\u4e38\u3044\u5f62\u3092\u3057\u305f\u56f3\u5f62\u304c\u5186\u3067\u3059\u3002\u5186\u306e\u56f3\u5f62\u3067\u306f\u3001\u5186\u5468\u306e\u9577\u3055\u3068\u5186\u306e\u9762\u7a4d\u3092\u554f\u308f\u308c\u307e\u3059\u3002\u3053\u306e\u8a08\u7b97\u3092\u3059\u308b\u305f\u3081\u306b\u306f<ruby>\u5186\u5468\u7387<rt>\u3048\u3093\u3057\u3085\u3046\u308a\u3064<\/rt><\/ruby>\u3092\u5229\u7528\u3057\u306a\u3051\u308c\u3070\u3044\u3051\u307e\u305b\u3093\u3002\u521d\u3081\u3066\u5186\u3092\u5b66\u3076\u5834\u5408\u3001\u5186\u5468\u7387\u3068\u306f\u4f55\u304b\u3092\u7406\u89e3\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<p>\u5186\u306b\u306f\u3055\u307e\u3056\u307e\u306a\u7a2e\u985e\u306e\u9577\u3055\u304c\u3042\u308a\u3001\u305d\u306e\u4e00\u3064\u306b\u534a\u5f84\u304c\u3042\u308a\u307e\u3059\u3002\u534a\u5f84\u304c\u5206\u304b\u308c\u3070\u3001\u5186\u5468\u306e\u9577\u3055\u3084\u5186\u306e\u9762\u7a4d\u3092\u8a08\u7b97\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u5186\u5468\u306e\u9577\u3055\u3084\u5186\u306e\u9762\u7a4d\u3092\u8a08\u7b97\u3059\u308b\u5834\u5408\u3001\u516c\u5f0f\u3092\u5229\u7528\u3057\u306a\u3051\u308c\u3070\u3044\u3051\u307e\u305b\u3093\u3002\u3064\u307e\u308a\u516c\u5f0f\u3092\u899a\u3048\u3066\u3044\u306a\u3044\u5834\u5408\u3001\u554f\u984c\u3092\u89e3\u304f\u3053\u3068\u304c\u3067\u304d\u307e\u305b\u3093\u3002<\/p>\n<p>\u305d\u3053\u3067\u3001\u3069\u306e\u3088\u3046\u306b\u8003\u3048\u3066\u5186\u5468\u306e\u9577\u3055\u3068\u5186\u306e\u9762\u7a4d\u3092\u8a08\u7b97\u3059\u308c\u3070\u3044\u3044\u306e\u304b\u3001\u307e\u305f\u5186\u5468\u7387\u3068\u306f\u4f55\u304b\u3092\u89e3\u8aac\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<h2>\u5186\u3067\u91cd\u8981\u306a\u8a00\u8449\u3092\u7406\u89e3\u3059\u308b<\/h2>\n<p>\u4e38\u3044\u5f62\u3092\u3057\u3066\u3044\u308b\u56f3\u5f62\u306b\u306f\u3044\u304f\u3064\u3082\u306e\u7a2e\u985e\u304c\u3042\u308a\u307e\u3059\u3002\u4ee5\u4e0b\u306f\u3059\u3079\u3066\u4e38\u3044\u5f62\u3092\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-4173\" src=\"https:\/\/hatsudy.com\/jp\/wp-content\/uploads\/2021\/12\/tru1.jpg\" alt=\"\" width=\"500\" height=\"126\" \/><\/p>\n<p>\u5c0f\u5b66\u6821\u306e\u7b97\u6570\u3067\u5b66\u3076\u4e38\u3044\u56f3\u5f62\u306f\u5186\u3067\u3059\u3002\u4e0a\u56f3\u306b\u3042\u308b\u5f62\u306e\u3046\u3061\u3001\u5de6\u306b\u3042\u308b\u56f3\u5f62\u3092\u5186\u3068\u3044\u3044\u307e\u3059\u3002\u307e\u305f\u5186\u306e\u554f\u984c\u3092\u89e3\u304f\u5834\u5408\u3001\u4ee5\u4e0b\u306e\u91cd\u8981\u306a\u8a00\u8449\u3092\u899a\u3048\u308b\u3088\u3046\u306b\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<ul>\n<li>\u5186\u5468\uff1a\u5186\u306e\u5468\u308a<\/li>\n<li>\u4e2d\u5fc3\uff1a\u5186\u306e\u771f\u3093\u4e2d\u306b\u3042\u308b\u70b9<\/li>\n<li>\u534a\u5f84\uff1a\u4e2d\u5fc3\u304b\u3089\u5186\u5468\u307e\u3067\u5f15\u3044\u305f\u7dda<\/li>\n<li>\u76f4\u5f84\uff1a\u4e2d\u5fc3\u3092\u901a\u308a\u3001\u5186\u5468\u304b\u3089\u5186\u5468\u307e\u3067\u5f15\u3044\u305f\u7dda<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-4174\" src=\"https:\/\/hatsudy.com\/jp\/wp-content\/uploads\/2021\/12\/tru2.jpg\" alt=\"\" width=\"524\" height=\"325\" \/><\/p>\n<p>\u3053\u308c\u3089\u306e\u8a00\u8449\u304c\u3072\u3093\u3071\u3093\u306b\u5229\u7528\u3055\u308c\u307e\u3059\u3002\u307e\u305f\u534a\u5f84\u3084\u76f4\u5f84\u306f\u79c1\u305f\u3061\u306e\u751f\u6d3b\u3067\u3082\u3072\u3093\u3071\u3093\u306b\u5229\u7528\u3055\u308c\u308b\u8a00\u8449\u3067\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u305d\u306e\u8a00\u8449\u304c\u4f55\u3092\u610f\u5473\u3059\u308b\u306e\u304b\u899a\u3048\u308b\u3088\u3046\u306b\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<h3>\u5186\u5468\u7387\u3068\u306f\u4f55\u304b\uff1a3.14\u306e\u6570\u5b57<\/h3>\n<p>\u5148\u307b\u3069\u306e\u8a00\u8449\u306b\u52a0\u3048\u3066\u3001\u5186\u306e\u554f\u984c\u3092\u89e3\u304f\u3068\u304d\u306f<span style=\"color: #ff0000;\">\u5186\u5468\u7387<\/span>\u306b\u3064\u3044\u3066\u5b66\u3076\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u5186\u5468\u7387\u3068\u306f\u4f55\u3067\u3057\u3087\u3046\u304b\u3002\u5186\u5468\u7387\u3068\u306f\u3001\u5186\u5468\u306e\u9577\u3055\u3092\u5186\u306e\u76f4\u5f84\u3067\u308f\u3063\u305f\u5024\u3067\u3059\u3002<\/p>\n<p>\u53e4\u4ee3\u30a8\u30b8\u30d7\u30c8\u306e\u6570\u5b66\u8005\u306f\u5186\u5468\u3068\u5186\u306e\u76f4\u5f84\u306b\u95a2\u4fc2\u6027\u304c\u3042\u308b\u3053\u3068\u3092\u3059\u3067\u306b\u77e5\u3063\u3066\u3044\u307e\u3057\u305f\u3002\u5f7c\u3089\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u3001\u5186\u5468\u306e\u9577\u3055\u3092\u6e2c\u5b9a\u3057\u307e\u3057\u305f\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-4175\" src=\"https:\/\/hatsudy.com\/jp\/wp-content\/uploads\/2021\/12\/tru4.jpg\" alt=\"\" width=\"600\" height=\"400\" \/><\/p>\n<p>\u4eca\u56de\u306f\u30d4\u30f3\u30af\u306e\u3084\u308f\u3089\u304b\u3044\u30d2\u30e2\u3092\u4f7f\u3063\u3066\u5186\u5468\u306e\u9577\u3055\u3092\u6e2c\u5b9a\u3057\u3066\u3044\u307e\u3059\u3002\u6b21\u306b\u3001\u5186\u306e\u76f4\u5f84\u3092\u8abf\u3079\u307e\u3059\u3002\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u3001\u5186\u306e\u4e2d\u5fc3\u3092\u901a\u308b\u7dda\u306e\u9577\u3055\u3092\u8abf\u3079\u307e\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-4176\" src=\"https:\/\/hatsudy.com\/jp\/wp-content\/uploads\/2021\/12\/tru5.jpg\" alt=\"\" width=\"600\" height=\"400\" \/><\/p>\n<p>\u305d\u306e\u5f8c\u3001\u5186\u5468\u306e\u9577\u3055\u3092\u5186\u306e\u76f4\u5f84\u3067\u308f\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u5186\u5468\u306e\u9577\u3055\u00f7\u5186\u306e\u76f4\u5f84<\/li>\n<\/ul>\n<p>\u3053\u3046\u3057\u3066\u51fa\u3066\u304d\u305f\u5024\u304c\u5186\u5468\u7387\u3067\u3059\u3002<span style=\"color: #0000ff;\">\u3059\u3079\u3066\u306e\u5186\u3067\u306f\u3001\u5186\u5468\u7387\u304c\u540c\u3058\u3067\u3059\u3002<\/span>\u5186\u5468\u7387\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u5186\u5468\u7387\uff1d3.14159\u2026<\/li>\n<\/ul>\n<p>\u5186\u5468\u7387\u306f\u6c38\u9060\u3068\u6570\u5b57\u304c\u7d9a\u3044\u3066\u3044\u304d\u307e\u3059\u3002\u305d\u3053\u3067\u3001\u5c0f\u5b66\u6821\u306e\u7b97\u6570\u3067\u306f\u300c\u5186\u5468\u7387\uff1d3.14\u300d\u3068\u8003\u3048\u3066\u8a08\u7b97\u3057\u307e\u3059\u3002<\/p>\n<p>\u5186\u5468\u306e\u9577\u3055\u3092\u5186\u306e\u76f4\u5f84\u3067\u308f\u308b\u3068\u304d\u3001\u305f\u307e\u305f\u307e\u51fa\u3066\u304d\u305f\u6570\u5b57\u304c\u5186\u5468\u7387\u3067\u3059\u3002\u307e\u305f\u524d\u8ff0\u306e\u901a\u308a\u3001\u3059\u3079\u3066\u306e\u5186\u3067\u5186\u5468\u7387\u304c\u540c\u3058\u3067\u3059\u3002\u5186\u5468\u7387\u3068\u306f\u3001\u5186\u304c\u3082\u3064\u6027\u8cea\u306e\u4e00\u3064\u3068\u7406\u89e3\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<h2>\u76f4\u5f84\u3068\u5186\u5468\u7387\u3092\u5229\u7528\u3057\u3001\u5186\u5468\u3092\u8a08\u7b97\u3059\u308b<\/h2>\n<p>\u5186\u5468\u7387\u3092\u7406\u89e3\u3059\u308c\u3070\u3001\u76f4\u5f84\u3092\u4f7f\u3046\u3053\u3068\u306b\u3088\u3063\u3066\u5186\u5468\u3092\u8a08\u7b97\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u5186\u5468\u306e\u9577\u3055\u3068\u5186\u306e\u76f4\u5f84\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u3001\u5186\u5468\u7387\u3092\u8a08\u7b97\u3067\u304d\u308b\u3053\u3068\u3092\u89e3\u8aac\u3057\u307e\u3057\u305f\u3002\u3053\u308c\u306f\u3001<span style=\"color: #0000ff;\">\u76f4\u5f84\u3068\u5186\u5468\u7387\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u5186\u5468\u3092\u8a08\u7b97\u3067\u304d\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u3066\u3044\u307e\u3059\u3002<\/span><\/p>\n<p>\u5186\u5468\u306e\u9577\u3055\u3092\u8a08\u7b97\u3059\u308b\u3068\u304d\u3001\u4ee5\u4e0b\u306e\u516c\u5f0f\u3092\u5229\u7528\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<ul>\n<li>\u5186\u5468\u306e\u9577\u3055 \uff1d \u76f4\u5f84 \u00d7 3.14\uff08\u5186\u5468\u7387\uff09<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-4177\" src=\"https:\/\/hatsudy.com\/jp\/wp-content\/uploads\/2021\/12\/tru6.jpg\" alt=\"\" width=\"600\" height=\"261\" \/><\/p>\n<p>\u3053\u306e\u3088\u3046\u306b\u3001\u76f4\u5f84\u3068\u5186\u5468\u7387\u3092\u304b\u3051\u308b\u3068\u5186\u5468\u306e\u9577\u3055\u3092\u6c42\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u306a\u304a\u3001<span style=\"color: #ff0000;\">\u534a\u5f84\u30922\u500d\u3059\u308b\u3068\u76f4\u5f84\u306b\u306a\u308a\u307e\u3059\u3002<\/span>\u305d\u306e\u305f\u3081\u534a\u5f84\u304c\u5206\u304b\u3063\u3066\u3044\u308b\u5834\u5408\u3001\u5186\u5468\u3092\u8a08\u7b97\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u534a\u5f84\u30922\u500d\u3057\u305f\u3042\u3068\u30013.14\uff08\u5186\u5468\u7387\uff09\u3092\u304b\u3051\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u5186\u5468\u306e\u9577\u3055\u304c\u3067\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u5186\u5468\u306e\u9577\u3055 \uff1d \u534a\u5f84 \u00d7 2 \u00d7 3.14\uff08\u5186\u5468\u7387\uff09<\/li>\n<\/ul>\n<p>\u3044\u305a\u308c\u306b\u3057\u3066\u3082\u3001\u76f4\u5f84\u307e\u305f\u306f\u534a\u5f84\u304c\u5206\u304b\u3063\u3066\u3044\u308c\u3070\u5186\u5468\u306e\u9577\u3055\u3092\u8a08\u7b97\u3067\u304d\u308b\u3053\u3068\u3092\u7406\u89e3\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<h3>\u5186\u5468\u306e\u9577\u3055\u304b\u3089\u3001\u76f4\u5f84\u3092\u8a08\u7b97\u3059\u308b<\/h3>\n<p>\u307e\u305f\u76f4\u5f84\u3068\u5186\u5468\u7387\u3092\u5229\u7528\u3057\u3066\u5186\u5468\u306e\u9577\u3055\u3092\u8a08\u7b97\u3067\u304d\u308b\u3068\u3044\u3046\u306e\u306f\u3001\u5186\u5468\u306e\u9577\u3055\u3092\u5229\u7528\u3057\u3066\u76f4\u5f84\u3092\u8a08\u7b97\u3067\u304d\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u3066\u3044\u307e\u3059\u3002\u304b\u3051\u7b97\u3068\u3044\u3046\u306e\u306f\u3001\u308f\u308a\u7b97\u3068\u610f\u5473\u304c\u540c\u3058\u3067\u3059\u3002\u4f8b\u3048\u3070\u3001\\(\u2610\u00d72=6\\)\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u5909\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<ul>\n<li>\\(\u2610=6\u00f72\\)<\/li>\n<\/ul>\n<p>\u540c\u3058\u3088\u3046\u306b\u3001\u5186\u5468\u3092\u8a08\u7b97\u3059\u308b\u516c\u5f0f\u3092\u5909\u3048\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u76f4\u5f84\u3092\\(\u2610\\)\u3068\u3059\u308b\u3068\u3001\u4ee5\u4e0b\u306e\u5f0f\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u5186\u5468\u306e\u9577\u3055 \uff1d \\(\u2610\\) \u00d7 3.14\uff08\u5186\u5468\u7387\uff09<\/li>\n<\/ul>\n<p>\u3053\u306e\u5f0f\u3092\u5909\u3048\u308b\u3068\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li>\\(\u2610\\) \uff1d \u5186\u5468\u306e\u9577\u3055 \u00f7 3.14\uff08\u5186\u5468\u7387\uff09<\/li>\n<\/ul>\n<p>\u3064\u307e\u308a<span style=\"color: #0000ff;\">\u5186\u5468\u306e\u9577\u3055\u3092\u3060\u3059\u516c\u5f0f\u3092\u899a\u3048\u3066\u3044\u308c\u3070\u3001\u5186\u5468\u304b\u3089\u76f4\u5f84\u3092\u8a08\u7b97\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/span>\u307e\u305f\u76f4\u5f84\u3092\u534a\u5206\u306b\u3059\u308b\u3068\u534a\u5f84\u306b\u306a\u308b\u305f\u3081\u3001\u5186\u5468\u304b\u3089\u534a\u5f84\u3092\u8a08\u7b97\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u30a4\u30b3\u30fc\u30eb\u3092\u3082\u3064\u5f0f\u3067\u306f\u3001\u300c\u540c\u3058\u6570\u3092\u5229\u7528\u3057\u3066\u4e21\u8fba\u3092\u304b\u3051\u308b\u307e\u305f\u306f\u308f\u3063\u3066\u3082\u3044\u3044\u300d\u3068\u3044\u3046\u6027\u8cea\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u3053\u3067\u5186\u5468\u3092\u3060\u3059\u516c\u5f0f\u306b\u3064\u3044\u3066\u3001\u4e21\u8fba\u30923.14\u3067\u308f\u308a\u307e\u3057\u3087\u3046\u3002\u305d\u3046\u3059\u308c\u3070\u3001\u300c\u5186\u5468\u3092\u3060\u3059\u516c\u5f0f\u300d\u3092\u300c\u76f4\u5f84\u3092\u3060\u3059\u5f0f\u300d\u306b\u5909\u3048\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<h2>\u534a\u5f84\u3068\u5186\u5468\u7387\u3092\u5229\u7528\u3057\u3001\u5186\u306e\u9762\u7a4d\u3092\u8a08\u7b97\u3059\u308b<\/h2>\n<p>\u306a\u304a\u5186\u5468\u7387\u3092\u5229\u7528\u3059\u308b\u8a08\u7b97\u3067\u306f\u3001\u3082\u3046\u4e00\u3064\u91cd\u8981\u306a\u516c\u5f0f\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u308c\u304c\u5186\u306e\u9762\u7a4d\u306e\u516c\u5f0f\u3067\u3059\u3002\u5186\u5468\u7387\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u3001\u5186\u306e\u9762\u7a4d\u3092\u8a08\u7b97\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u5186\u306e\u9762\u7a4d\u3092\u3060\u3059\u516c\u5f0f\u306f\u4ee5\u4e0b\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u5186\u306e\u9762\u7a4d \uff1d \u534a\u5f84 \u00d7 \u534a\u5f84 \u00d7 3.14\uff08\u5186\u5468\u7387\uff09<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-4178\" src=\"https:\/\/hatsudy.com\/jp\/wp-content\/uploads\/2021\/12\/tru8.jpg\" alt=\"\" width=\"600\" height=\"200\" \/><\/p>\n<p>\u3053\u306e\u3088\u3046\u306b<span style=\"color: #0000ff;\">\u534a\u5f84\u3068\u5186\u5468\u7387\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u3001\u5186\u306e\u9762\u7a4d\u3092\u8a08\u7b97\u3067\u304d\u307e\u3059\u3002<\/span>\u5186\u306e\u9762\u7a4d\u3092\u3060\u3059\u516c\u5f0f\u306f\u5fc5\u305a\u899a\u3048\u308b\u3088\u3046\u306b\u3057\u307e\u3057\u3087\u3046\u3002<\/p>\n<h3>\u5186\u306e\u9762\u7a4d\u304b\u3089\u3001\u5186\u306e\u534a\u5f84\u3092\u8a08\u7b97\u3059\u308b<\/h3>\n<p>\u306a\u304a\u534a\u5f84\u3092\u5229\u7528\u3057\u3066\u5186\u306e\u9762\u7a4d\u3092\u3060\u3059\u3053\u3068\u304c\u3067\u304d\u308b\u3068\u3044\u3046\u306e\u306f\u3001\u5186\u306e\u9762\u7a4d\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u5186\u306e\u534a\u5f84\u3092\u8a08\u7b97\u3067\u304d\u308b\u3053\u3068\u3092\u610f\u5473\u3057\u3066\u3044\u307e\u3059\u3002\u534a\u5f84\u3092\\(\u2610\\)\u3068\u3059\u308b\u3068\u3001\u5186\u306e\u9762\u7a4d\u306f\u4ee5\u4e0b\u306e\u8a08\u7b97\u5f0f\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u5186\u306e\u9762\u7a4d \uff1d \\(\u2610\\) \u00d7 \\(\u2610\\) \u00d7 3.14<\/li>\n<\/ul>\n<p>\u305d\u3053\u3067\u3001\u3053\u306e\u5f0f\u3092\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u5909\u3048\u307e\u3057\u3087\u3046\u3002<\/p>\n<ul>\n<li>\\(\u2610\\) \u00d7 \\(\u2610\\) = \u5186\u306e\u9762\u7a4d \u00f7 3.14<\/li>\n<\/ul>\n<p>\u4f8b\u3048\u3070\u5186\u306e\u9762\u7a4d\u304c50.24cm<sup>2<\/sup>\u306e\u5834\u5408\u3001\u534a\u5f84\u306f\u3044\u304f\u3089\u3067\u3057\u3087\u3046\u304b\u3002\\(50.24\u00f73.14=16\\)\u3067\u3059\u3002\u3064\u307e\u308a\u30012\u3064\u306e\u540c\u3058\u6570\u5b57\u3092\u304b\u3051\u308b\u3068\u304d\u300116\u306b\u306a\u308b\u5024\u3092\u307f\u3064\u3051\u307e\u3057\u3087\u3046\u3002\u305d\u3046\u3059\u308b\u3068\u30014\u304c\u7b54\u3048\u3067\u3042\u308b\u3068\u5206\u304b\u308a\u307e\u3059\u3002\u3064\u307e\u308a\u5186\u306e\u9762\u7a4d\u304c50.24cm<sup>2<\/sup>\u306e\u5834\u5408\u3001\u534a\u5f84\u306f4cm\u3067\u3059\u3002<\/p>\n<h3>\u306a\u305c\u534a\u5f84\u3068\u5186\u5468\u7387\u3092\u4f7f\u3063\u3066\u5186\u306e\u9762\u7a4d\u3092\u3060\u305b\u308b\u306e\u304b<\/h3>\n<p>\u305d\u308c\u3067\u306f\u3001\u306a\u305c\u534a\u5f84\u3068\u5186\u5468\u7387\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u5186\u306e\u9762\u7a4d\u3092\u8a08\u7b97\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u306e\u3067\u3057\u3087\u3046\u304b\u3002\u3053\u306e\u7406\u7531\u3092\u7406\u89e3\u3059\u308b\u305f\u3081\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u5186\u3092\u7d30\u304b\u304f\u5206\u3051\u307e\u3057\u3087\u3046\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-4181\" src=\"https:\/\/hatsudy.com\/jp\/wp-content\/uploads\/2021\/12\/tru11.jpg\" alt=\"\" width=\"250\" height=\"248\" srcset=\"https:\/\/hatsudy.com\/jp\/wp-content\/uploads\/2021\/12\/tru11.jpg 250w, https:\/\/hatsudy.com\/jp\/wp-content\/uploads\/2021\/12\/tru11-150x150.jpg 150w, https:\/\/hatsudy.com\/jp\/wp-content\/uploads\/2021\/12\/tru11-100x100.jpg 100w\" sizes=\"auto, (max-width: 250px) 100vw, 250px\" \/><\/p>\n<p>\u305d\u306e\u5f8c\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u5186\u306e\u30d1\u30fc\u30c4\u3092\u4e26\u3079\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-4182\" src=\"https:\/\/hatsudy.com\/jp\/wp-content\/uploads\/2021\/12\/tru12.jpg\" alt=\"\" width=\"400\" height=\"263\" \/><\/p>\n<p>\u305d\u306e\u7d50\u679c\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u5e73\u884c\u56db\u8fba\u5f62\u3092\u4f5c\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-4190\" src=\"https:\/\/hatsudy.com\/jp\/wp-content\/uploads\/2021\/12\/tru16.jpg\" alt=\"\" width=\"600\" height=\"194\" \/><\/p>\n<p>\u53b3\u5bc6\u306b\u3044\u3046\u3068\u3001\u3067\u3053\u307c\u3053\u3057\u3066\u3044\u308b\u306e\u3067\u5e73\u884c\u56db\u8fba\u5f62\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u305f\u3060\u5186\u3092\u975e\u5e38\u306b\u3053\u307e\u304b\u304f\u5206\u3051\u3066\u3044\u304f\u5834\u5408\u3001\u3067\u3053\u307c\u3053\u304c\u307b\u3068\u3093\u3069\u306a\u304f\u306a\u3063\u3066\u7121\u8996\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u3001\u5e73\u884c\u56db\u8fba\u5f62\u3092\u4f5c\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u307e\u305f\u9ad8\u6821\u6570\u5b66\u3067\u5b66\u3076\u7a4d\u5206\u3092\u5229\u7528\u3059\u308c\u3070\u3001\u3053\u306e\u8003\u3048\u65b9\u306b\u3088\u3063\u3066\u5186\u306e\u9762\u7a4d\u3092\u51fa\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<p>\u305d\u3046\u3057\u305f\u3068\u304d\u3001\u5e73\u884c\u56db\u8fba\u5f62\u306e\u305f\u3066\u306e\u9577\u3055\u306f\u534a\u5f84\u3067\u3059\u3002\u4e00\u65b9\u3001\u6a2a\u306e\u9577\u3055\u306f\u300c\u534a\u5f84\u00d73.14\u300d\u3067\u3059\u3002\u56f3\u3092\u78ba\u8a8d\u3059\u308b\u3068\u3001\u30aa\u30ec\u30f3\u30b8\u8272\u306e\u5186\uff08\u534a\u5186\uff09\u306e\u5186\u5468\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li>\u534a\u5186\u306e\u5186\u5468\uff1d\u76f4\u5f84 \u00d7 3.14 \u00f7 2<\/li>\n<\/ul>\n<p>\u534a\u5f84\u30922\u500d\u3059\u308b\u3068\u76f4\u5f84\u306b\u306a\u308a\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u3001\u534a\u5186\u306e\u5186\u5468\u306f\u300c\u534a\u5f84\u00d73.14\u300d\u3067\u3059\u3002<\/p>\n<ul>\n<li>\u534a\u5186\u306e\u5186\u5468\uff1d\u534a\u5f84 \u00d7 2 \u00d7 3.14 \u00f7 2 \uff1d \u534a\u5f84 \u00d7 3.14<\/li>\n<\/ul>\n<p>\u307e\u305f<span style=\"color: #0000ff;\">\u5148\u307b\u3069\u306e\u56f3\u3092\u78ba\u8a8d\u3059\u308b\u3068\u3001\u30aa\u30ec\u30f3\u30b8\u8272\u306e\u5186\uff08\u534a\u5186\uff09\u306e\u5186\u5468\u304c\u5e73\u884c\u56db\u8fba\u5f62\u306e\u6a2a\u306e\u9577\u3055\u306b\u306a\u3063\u3066\u3044\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3059\u3002<\/span>\u305d\u3053\u3067\u5e73\u884c\u56db\u8fba\u5f62\u306e\u305f\u3066\uff08\u534a\u5f84\uff09\u3068\u6a2a\uff08\u534a\u5f84 \u00d7 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