{"id":10717,"date":"2025-07-14T06:49:39","date_gmt":"2025-07-13T21:49:39","guid":{"rendered":"https:\/\/english-samurai.com\/?p=10717"},"modified":"2025-07-14T20:02:26","modified_gmt":"2025-07-14T11:02:26","slug":"%e5%86%86%e3%81%ae%e4%b8%ad%e5%bf%83%e3%83%bb%e7%9b%b4%e5%be%84%e3%83%bb%e5%8d%8a%e5%be%84%e3%82%92%e8%8b%b1%e8%aa%9e%e3%81%a7%e8%a8%80%e3%81%86%e3%81%a8%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/english-samurai.com\/?p=10717","title":{"rendered":"\u5186\u306e\u4e2d\u5fc3\u30fb\u76f4\u5f84\u30fb\u534a\u5f84\u3092\u82f1\u8a9e\u3067\u8a00\u3046\u3068\uff1f"},"content":{"rendered":"\n

\u5186\u306e\u4e2d\u5fc3\u30fb\u76f4\u5f84\u3092\u82f1\u8a9e\u3067\u4f55\u3068\u8a00\u3046\u3067\u3057\u3087\u3046\u304b\uff1f

The (\u3000\u3000\u3000) is twice the (\u3000\u3000\u3000).
\uff08\u76f4\u5f84\u306f\u534a\u5f84\u306e2\u500d\u3067\u3059\u3002\uff09<\/p>\n\n\n\n

\u2193<\/p>\n\n\n\n

\u2193<\/p>\n\n\n\n

\u2193<\/p>\n\n\n\n

\u2193<\/p>\n\n\n\n

\u2193<\/p>\n\n\n\n

\u2193<\/p>\n\n\n\n

The diameter<\/strong> is twice the radius<\/strong>.
\uff08\u76f4\u5f84\u306f\u534a\u5f84\u306e2\u500d\u3067\u3059\u3002\uff09<\/p>\n\n\n

\"\"\u82f1\u8a9e\u30c4\u30a6<\/span><\/div>
\n

\u6b21\u306e\u901a\u308a\u899a\u3048\u3088\u3046\uff01<\/p>\n<\/span><\/span><\/span><\/div><\/div><\/div><\/div>\n\n\n

\u65e5\u672c\u8a9e<\/th>\u82f1\u8a9e<\/th>\u8aac\u660e<\/th><\/tr><\/thead>
\u76f4\u5f84<\/td>diameter<\/strong>\uff08\u30c0\u30a4\u30a2\u30e1\u30bf\u30fc\uff09<\/td>\u5186\u306e\u7aef\u304b\u3089\u7aef\u307e\u3067\u3001\u4e2d\u5fc3\u3092\u901a\u308b\u4e00\u76f4\u7dda\u306e\u9577\u3055<\/td><\/tr>
\u534a\u5f84<\/td>radius<\/strong>\uff08\u30ec\u30a4\u30c7\u30a3\u30a2\u30b9\uff09\u203b\u8907\u6570\u5f62\u306f radii<\/strong>\uff08\u30ec\u30a4\u30c7\u30a3\u30a2\u30a4\uff09<\/td>\u5186\u306e\u4e2d\u5fc3\u304b\u3089\u5186\u5468\u307e\u3067\u306e\u8ddd\u96e2<\/td><\/tr>
\u4e2d\u5fc3<\/td>center<\/strong>\uff08\u30bb\u30f3\u30bf\u30fc\uff09\u203b\u82f1\u5f0f\u82f1\u8a9e\u3067\u306f centre<\/strong><\/td>\u5186\u306e\u771f\u3093\u4e2d\u306e\u70b9<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n
\"\"\u306f\u308b\u304b<\/span><\/div>
\n

\u308f\u305f\u3057\u306f\u3044\u3064\u3082diameter\u3068radius\u304c\u3054\u3063\u3061\u3084\u306b\u306a\u308b\u306e\u3002
\u3069\u3063\u3061\u304c\u534a\u5f84\u3067\u3069\u3063\u3061\u304c\u76f4\u5f84\u3060\u3063\u305f\u304b\u3063\u3066\u3002<\/p>\n<\/span><\/span><\/span><\/div><\/div><\/div><\/div>\n\n

\"\"\u82f1\u8a9e\u30c4\u30a6<\/span><\/div>
\n

\u305d\u3046\u306a\u3093\u3060\u3002\u3060\u3063\u305f\u3089\u3001diameter\u306e\u63a5\u982d\u8f9e\u306e\u201cdia\u201d\u306b\u6ce8\u76ee\u3059\u308b\u3068\u3044\u3044\u3088\u3002<\/p>\n<\/span><\/span><\/span><\/div><\/div><\/div><\/div>\n\n\n

\u201cdia\u201d\u610f\u5473\uff1a<\/p>\n\n\n\n

\u300c\u301c\u3092\u901a\u3057\u3066\uff08through\uff09\u300d <\/p>\n\n\n\n

\u300c\u6a2a\u5207\u3063\u3066\uff08across\uff09\u300d<\/p>\n\n\n\n

\u300c\u5b8c\u5168\u306b\uff08completely\uff09\u300d<\/p>\n\n\n\n

diameter \u76f4\u5f84<\/p>\n\n\n\n

dia\uff08\u6a2a\u5207\u3063\u3066\uff09+ meter\uff08\u6e2c\u308b\uff09\uff1d\u300c\u901a\u3063\u3066\u6e2c\u308b\u300d<\/p>\n\n\n

\"\"\u82f1\u8a9e\u30c4\u30a6<\/span><\/div>
\n

\u300c\u6a2a\u5207\u308b\u300d\u3068\u3044\u3046\u30cb\u30e5\u30a2\u30f3\u30b9\u304b\u3089\u300c\u5b8c\u5168\u6027\u300d\u306e\u30cb\u30e5\u30a2\u30f3\u30b9\u3092\u53d7\u3051\u53d6\u308c\u308b\u304b\u306a\uff1f\u300c\u534a\u5f84\u300d\u3060\u3068\u4e0d\u5b8c\u5168\u3002\u6a2a\u5207\u308b\u300c\u76f4\u5f84\u300d\u306f\u5b8c\u5168\u306a\u7dda\u3068\u3044\u3046\u30a4\u30e1\u30fc\u30b8\u3002<\/p>\n<\/span><\/span><\/span><\/div><\/div><\/div><\/div>\n\n

\"\"\u306f\u308b\u304b<\/span><\/div>
\n

\u305d\u3046\u8003\u3048\u308b\u3068\u3001diagonal\u3068\u3044\u3046\u96e3\u3057\u3044\u5358\u8a9e\u3082\u300c\u5bfe\u89d2\u7dda\u300d\u3068\u3044\u3046\u610f\u5473\u304c\u7406\u89e3\u3067\u304d\u308b\u308f\u306d\u3002<\/p>\n<\/span><\/span><\/span><\/div><\/div><\/div><\/div>\n\n\n


diagonal \u5bfe\u89d2\u7dda
dia\uff08\u6a2a\u5207\u308b\uff09+ gon\uff08\u89d2\uff09\uff0bal<\/strong>
\u300c\u89d2\u3092\u901a\u308b\u7dda\u300d<\/p>\n\n\n\n

\u307e\u305f\u3001diagonal\u306f\u300c\u5bfe\u89d2\u7dda\u300d\u3068\u3044\u3046\u540d\u8a5e\u3060\u3051\u3067\u306a\u304f\u3001\u300c\u659c\u3081\u306e\u3001\u5bfe\u89d2\u306e\u300d\u3068\u3044\u3046\u5f62\u5bb9\u8a5e\u306e\u610f\u5473\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n

He walked in a diagonal line across the field.
\u300c\u5f7c\u306f\u305d\u306e\u91ce\u539f\u3092\u659c\u3081\u306b\u6a2a\u5207\u3063\u3066\u6b69\u3044\u305f\u300d<\/p>\n\n\n

\"\"\u82f1\u8a9e\u30c4\u30a6<\/span><\/div>
\n

\u3061\u306a\u307f\u306b\u3001\u99b4\u67d3\u307f\u306e\u3042\u308b\u5358\u8a9e\u201cdialogue\u201d\uff08\u5bfe\u8a71\uff09\u306e\u201cdia\u201d\u306f\u3001\u300c\u901a\u3057\u3066\u300d\u306e\u610f\u5473\u306b\u306a\u308b\u3088\u3002<\/p>\n<\/span><\/span><\/span><\/div><\/div><\/div><\/div>\n\n\n

dialogue \u5bfe\u8a71
dia\uff08\u901a\u3057\u3066\uff09\uff0blogue\uff08\u8a71\u3059\uff09<\/strong><\/p>\n\n\n

\"\"\u306f\u308b\u304b<\/span><\/div>
\n

\u3088\u304f\u300c\u30ed\u30b0\u3092\u6b8b\u3059\u300d\u3063\u3066\u3044\u3046\u3051\u3069\u3001\u3053\u306e\u201clogue\u201d\u304c\u8a9e\u6e90\u3060\u3063\u305f\u306e\u306d\u3002<\/p>\n<\/span><\/span><\/span><\/div><\/div><\/div><\/div>\n\n

\"\"\u82f1\u8a9e\u30c4\u30a6<\/span><\/div>
\n

\u3044\u3084\u3001\u9055\u3046\u3088\u3002
\u300c\u30ed\u30b0\u3092\u6b8b\u3059\u300d\u306e\u300c\u30ed\u30b0\u300d\u306f\u3001\u300clog\uff1d\u8a18\u9332\u300d<\/strong>\u306e\u610f\u5473\u3067\u3042\u3063\u3066\u3001\u300cdialogue\uff08\u30c0\u30a4\u30a2\u30ed\u30b0\uff09\u300d\u306e \u300c-logue\u300d \u3068\u306f\u8a9e\u6e90\u3082\u610f\u5473\u3082\u9055\u3046\u3088\u3002\u7d1b\u3089\u308f\u3057\u3044\u3051\u3069\u5225\u7269\u306a\u3093\u3060\uff01
\u3067\u306f\u3001\u6b21\u306b\u9032\u3080\u306d\u3002<\/p>\n<\/span><\/span><\/span><\/div><\/div><\/div><\/div>\n\n\n

\u4f8b\u6587
The center<\/strong> of the circle is at the origin.
\uff08\u5186\u306e\u4e2d\u5fc3\u306f\u539f\u70b9\u306b\u3042\u308a\u307e\u3059\u3002\uff09<\/p>\n\n\n\n

The area of a circle is \u03c0 times the radius squared.
\uff08\u5186\u306e\u9762\u7a4d\u306f\u534a\u5f84\u00d7\u534a\u5f84\u00d7\u03c0\u3067\u3059 \uff09<\/p>\n\n\n

\"\"\u306f\u308b\u304b<\/span><\/div>
\n

squared\u3063\u3066\u521d\u3081\u3066\u898b\u305f\u3051\u3069\u3001\u304d\u3063\u3068\u4e8c\u4e57\u3068\u3044\u3046\u610f\u5473\u3088\u306d\u3002<\/p>\n<\/span><\/span><\/span><\/div><\/div><\/div><\/div>\n\n

\"\"\u82f1\u8a9e\u30c4\u30a6<\/span><\/div>
\n

\u305d\u3046\u3060\u3088\u3002
squared paper\uff08\u65b9\u773c\u7d19\uff09\u3068\u3044\u3046\u8a00\u8449\u304c\u3042\u308b\u901a\u308a\u3001\u3082\u3068\u3082\u3068\u306f\u300c\u89d2\u3070\u3063\u305f\u300d\u3068\u3044\u3046\u610f\u5473\u3060\u3051\u3069\u3001\u6570\u3084\u5358\u4f4d\u30922\u4e57\u3059\u308b<\/strong>\u3068\u3044\u3046\u610f\u5473\u306b\u3082\u306a\u308b\u3088\u3002<\/p>\n<\/span><\/span><\/span><\/div><\/div><\/div><\/div>\n\n\n

    \n
  • \uff15\u306e\u4e8c\u4e57\u306f25\u3067\u3059
    “Five squared<\/strong> is twenty-five.”<\/li>\n\n\n\n
  • 10 m\u00b2 = ten square meters<\/strong> = “ten meters squared”<\/li>\n\n\n\n
  • area = side squared<\/strong>\uff08\u9762\u7a4d = \u8fba\u306e\u9577\u3055\u306e2\u4e57\uff09<\/li>\n<\/ul>\n\n\n
    \"\"\u82f1\u8a9e\u30c4\u30a6<\/span><\/div>
    \n

    \u5186\u306b\u95a2\u3059\u308b\u82f1\u5358\u8a9e\u3092\u3044\u304f\u3064\u304b\u7d39\u4ecb\u3059\u308b\u3088\u3002<\/p>\n<\/span><\/span><\/span><\/div><\/div><\/div><\/div>\n\n\n

    \u65e5\u672c\u8a9e<\/th>\u82f1\u8a9e\u8868\u73fe<\/th>\u8aac\u660e\uff08\u82f1\u8a9e\uff09<\/th><\/tr><\/thead>
    \u5186<\/td>circle<\/td>A round plane figure whose boundary consists of points equidistant from the center.<\/td><\/tr>
    \u76f4\u5f84<\/td>diameter<\/td>A straight line passing through the center of a circle and touching two points on its boundary.<\/td><\/tr>
    \u534a\u5f84<\/td>radius<\/td>A straight line from the center to any point on the circle.<\/td><\/tr>
    \u4e2d\u5fc3<\/td>center<\/td>The point that is equidistant from all points on the circle.<\/td><\/tr>
    \u63a5\u7dda<\/td>tangent (line)<\/td>A straight line that touches a circle at exactly one point.<\/td><\/tr>
    \u63a5\u70b9<\/td>point of tangency<\/td>The point where the tangent touches the circle.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n
    \"\"\u306f\u308b\u304b<\/span><\/div>
    \n

    \u9ad8\u6821\u3067\u7fd2\u3063\u305ftangent\u3063\u3066\u63a5\u7dda\u3068\u3044\u3046\u610f\u5473\u3060\u3063\u305f\u306e\u306d\u3002<\/p>\n<\/span><\/span><\/span><\/div><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"

    \u5186\u306e\u4e2d\u5fc3\u30fb\u76f4\u5f84\u3092\u82f1\u8a9e\u3067\u4f55\u3068\u8a00\u3046\u3067\u3057\u3087\u3046\u304b\uff1f The (\u3000\u3000\u3000) is twice the (\u3000\u3000\u3000).\uff08\u76f4\u5f84\u306f\u534a\u5f84\u306e2\u500d\u3067\u3059\u3002\uff09 \u2193 \u2193 \u2193 \u2193 \u2193 \u2193 The diameter is twice the radius. […]<\/p>\n","protected":false},"author":1,"featured_media":8612,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"swell_btn_cv_data":"","footnotes":""},"categories":[30],"tags":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/english-samurai.com\/index.php?rest_route=\/wp\/v2\/posts\/10717"}],"collection":[{"href":"https:\/\/english-samurai.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/english-samurai.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/english-samurai.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/english-samurai.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=10717"}],"version-history":[{"count":8,"href":"https:\/\/english-samurai.com\/index.php?rest_route=\/wp\/v2\/posts\/10717\/revisions"}],"predecessor-version":[{"id":10734,"href":"https:\/\/english-samurai.com\/index.php?rest_route=\/wp\/v2\/posts\/10717\/revisions\/10734"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/english-samurai.com\/index.php?rest_route=\/wp\/v2\/media\/8612"}],"wp:attachment":[{"href":"https:\/\/english-samurai.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=10717"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/english-samurai.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=10717"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/english-samurai.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=10717"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}