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	<title>球の体積 | nujonoa_blog</title>
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		<title>球の体積の計算機&#124;半径→体積、体積→半径</title>
		<link>https://nujonoa.com/sphere-volume-calculation/</link>
					<comments>https://nujonoa.com/sphere-volume-calculation/#respond</comments>
		
		<dc:creator><![CDATA[nujonoa]]></dc:creator>
		<pubDate>Tue, 05 Nov 2019 23:00:02 +0000</pubDate>
				<category><![CDATA[計算機]]></category>
		<category><![CDATA[計算]]></category>
		<category><![CDATA[球の体積]]></category>
		<category><![CDATA[球]]></category>
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					<description><![CDATA[・半径、直径、体積を入力してください。 ・半径と直径から体積が、　体積から半径を計算します。 目次 球の体積の計算機&#124;半径→体積、体積→半径球の体積球の体積の求め方 球の体積の計算機&#124;半径→体積、体積→半径 球の体積 球 [&#8230;]]]></description>
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<p>・半径、直径、体積を入力してください。</p>



<p>・半径と直径から体積が、<br>　体積から半径を計算します。</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">球の体積の計算機|半径→体積、体積→半径</a><ol><li><a href="#toc2" tabindex="0">球の体積</a></li><li><a href="#toc3" tabindex="0">球の体積の求め方</a></li></ol></li></ol>
    </div>
  </div>

<h2 class="wp-block-heading"><span id="toc1">球の体積の計算機|半径→体積、体積→半径</span></h2>



<h3 class="wp-block-heading"><span id="toc2">球の体積</span></h3>



<p>球の体積を計算します。<br>球の体積は、rを半径とすると、</p>



<p>球の体積 ＝ 4/3 ×π× r<sup>3</sup></p>



<p>で表されます。</p>



<h3 class="wp-block-heading"><span id="toc3">球の体積の求め方</span></h3>



<p>円の面積は　π×r<sup>2</sup>　であり<br>ある高さ「x」で球を切り取った時の面積は</p>



<p>π×( r - x )<sup>2</sup>　</p>



<p>で表されます。</p>



<p>高さは　-r ~ +r　まであるので、<br>その範囲を積分することで求めることができます。</p>
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