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117 lines
5.6 KiB
HTML
117 lines
5.6 KiB
HTML
<!doctype html>
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<html lang="en"><!-- #BeginTemplate "/Templates/Main.dwt" --><!-- DW6 -->
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<!-- Mirrored from www.mathsisfun.com/geometry/sphere-volume-area.html by HTTrack Website Copier/3.x [XR&CO'2014], Sat, 29 Oct 2022 00:31:34 GMT -->
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<head>
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<!-- #BeginEditable "doctitle" -->
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<title>Volume and Area of a Sphere Calculator</title>
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<script src="images/sphere-vol.js" type="text/javascript"></script>
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<link rel="stylesheet" type="text/css" href="../stylejs.css" />
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<script language="JavaScript" type="text/javascript">reSpell=[["meters","metres"]];</script>
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<meta name="description" content="Find the area or volume of a sphere by entering its radius or diameter ... or the other way around if you want!" />
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<meta name="keywords" content="math, maths, mathematics, school, homework, education">
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<script src="../main3.js" type="text/javascript"></script>
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</head>
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<body id="bodybg">
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<div class="bg">
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<div id="stt"></div>
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<div id="hdr"></div>
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<div id="logo"><a href="../index.html"><img src="../images/style/logo.svg" alt="Math is Fun" /></a></div>
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<div id="gtran"><script type="text/javascript">document.write(getTrans());</script></div>
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<div id="gplus"><script type="text/javascript">document.write(getGPlus());</script></div>
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<div id="adTopOuter" class="centerfull noprint">
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<div id="adTop">
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<script type="text/javascript">document.write(getAdTop());</script>
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</div>
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</div>
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<div id="adHide">
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<div id="showAds1"><a href="javascript:showAds()">Show Ads</a></div>
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<div id="hideAds1"><a href="javascript:hideAds()">Hide Ads</a><br>
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<a href="../about-ads.html">About Ads</a></div>
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</div>
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<div id="menuWide" class="menu">
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<script type="text/javascript">document.write(getMenu(0));</script>
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</div>
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<div id="linktort"><script type="text/javascript">document.write(getLinks());</script></div>
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<div id="search" role="search"><script type="text/javascript">document.write(getSearch());</script></div>
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<script type="text/javascript">document.write(getMenu(1));</script>
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<div id="menuTiny" class="menu">
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<script type="text/javascript">document.write(getMenu(2));</script>
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<div id="extra"></div>
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</div>
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<div id="content" role="main"><!-- #BeginEditable "Body" -->
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<h1 class="center">Volume and Area of a Sphere</h1>
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<h2>Calculator</h2>
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<p>
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Enter the <b>radius, diameter, surface area</b> or <b>volume</b> of a <a href="sphere.html">Sphere</a> to find the other three. The calculations are done "live":
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</p>
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<script type="text/javascript">spherevolMain();</script>
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<p> </p>
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<h2>How to Calculate the Volume and Surface Area</h2>
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<a id="Area"></a>
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<p class="center"><img src="images/sphere-radius.svg" alt="Sphere Radius" /></p>
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<p class="center large">Surface Area = 4 × <span class="times">π</span> × r<sup>2</sup></p>
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<div class="example">
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<h3>Example: r = 5</h3>
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<div class="tbl">
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<div class="row"><span class="left"><span class="center">Surface Area </span></span><span class="right">= 4 × <span class="times">π</span> × r<sup>2</sup></span></div>
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<div class="row"><span class="left"> </span><span class="right">= 4 × <span class="times">π</span> × 5<sup>2</sup></span></div>
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<div class="row"><span class="left"> </span><span class="right">= 4 × <span class="times">π</span> × 25</span></div>
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<div class="row"><span class="left"> </span><span class="right">= 100 <span class="times">π</span></span></div>
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<div class="row"><span class="left"> </span><span class="right">≈ 314</span></div>
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</div>
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</div>
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<a id="Volume"></a>
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<p> </p>
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<p class="center large">Volume = (4/3) × <span class="times">π</span> × r<sup>3</sup></p>
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<div class="example">
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<h3>Example: r = 5</h3>
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<div class="tbl">
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<div class="row"><span class="left">Volume</span><span class="right"> = (4/3) × <span class="times">π</span> × r<sup>3</sup></span></div>
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<div class="row"><span class="left"> </span><span class="right"> = (4/3) × <span class="times">π</span> × 5<sup>3</sup></span></div>
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<div class="row"><span class="left"> </span><span class="right">= (4/3) × <span class="times">π</span> × 125</span></div>
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<div class="row"><span class="left"> </span><span class="right">≈ 524</span></div>
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</div>
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</div>
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<p style="float:left; margin: 0 10px 5px 0;"> </p>
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<p> </p>
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<div class="related">
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<a href="sphere.html">Sphere</a><a href="cone-sphere-cylinder.html">Cone vs Sphere vs Cylinder</a>
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<a href="circle.html">Circle</a>
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<a href="index.html">Geometry Index</a>
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</div>
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<script type="text/javascript">document.write(getFooter());</script>
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<div id="copyrt">
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Copyright © 2018 MathsIsFun.com
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<script type="text/javascript">document.write(getBodyEnd());</script>
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</body>
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