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	<title>余弦定理 | nujonoa_blog</title>
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		<title>三平方の定理の計算&#124;角度と長さ</title>
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		<pubDate>Mon, 04 Nov 2019 11:00:21 +0000</pubDate>
				<category><![CDATA[計算機]]></category>
		<category><![CDATA[三平方の定理]]></category>
		<category><![CDATA[余弦定理]]></category>
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					<description><![CDATA[三平方の定理で、残り1辺の計算と、角度の計算をします。 ・各種条件を入れてください。　(黒色で塗りつぶした場所は、自動計算です) ・残り一辺の長さとそれぞれの角度を計算します。 目次 三平方の定理の計算&#124;角度と長さ三平方 [&#8230;]]]></description>
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<p>三平方の定理で、残り1辺の計算と、角度の計算をします。</p>



<p>・各種条件を入れてください。<br>　(黒色で塗りつぶした場所は、自動計算です)</p>



<p>・残り一辺の長さとそれぞれの角度を計算します。</p>



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  <div id="toc" class="toc tnt-number toc-center tnt-number border-element"><input type="checkbox" class="toc-checkbox" id="toc-checkbox-2" checked><label class="toc-title" for="toc-checkbox-2">目次</label>
    <div class="toc-content">
    <ol class="toc-list open"><li><a href="#toc1" tabindex="0">三平方の定理の計算|角度と長さ</a><ol><li><a href="#toc2" tabindex="0">三平方の定理とは</a></li><li><a href="#toc3" tabindex="0">角度について</a></li></ol></li></ol>
    </div>
  </div>

<h2 class="wp-block-heading"><span id="toc1">三平方の定理の計算|角度と長さ</span></h2>



<h3 class="wp-block-heading"><span id="toc2">三平方の定理とは</span></h3>



<p>三平方の定理とは,直角三角形において各辺の関係は</p>



<p>斜辺<sup>2</sup>　＝　底辺<sup>2</sup>　＋　高さ<sup>2</sup></p>



<p>となる定理のことで、この定理のおかげで、<br>2辺の長さが分かればあと1辺の長さを求めることができる。</p>



<h3 class="wp-block-heading"><span id="toc3">角度について</span></h3>



<p>角度は余弦定理、arccosで計算しています。</p>
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