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| -rw-r--r-- | files/ja/web/javascript/reference/global_objects/math/index.html | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/files/ja/web/javascript/reference/global_objects/math/index.html b/files/ja/web/javascript/reference/global_objects/math/index.html index 711c071a18..cae897f917 100644 --- a/files/ja/web/javascript/reference/global_objects/math/index.html +++ b/files/ja/web/javascript/reference/global_objects/math/index.html @@ -137,7 +137,7 @@ function radToDeg(rad) { return rad / (Math.PI / 180); };</pre> -<h3 id="Calculating_the_height_of_an_equalateral_triangle" name="Calculating_the_height_of_an_equalateral_triangle">二等辺三角形の高さの計算</h3> +<h3 id="Calculating_the_height_of_an_equalateral_triangle" name="Calculating_the_height_of_an_equalateral_triangle">正三角形の高さの計算</h3> <p>二等辺三角形の高さを計算したい場合、側辺の長さが 100 であるとわかっている場合は、<em>隣の角に正接を乗じた長さは、反対側と等しくなる</em>という数式を使用することができます。</p> |