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154 lines
5.8 KiB
HTML
154 lines
5.8 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/full-rotation.html by HTTrack Website Copier/3.x [XR&CO'2014], Sat, 29 Oct 2022 00:43:12 GMT -->
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<head>
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<meta http-equiv="content-type" content="text/html; charset=UTF-8">
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<title>Full Rotation</title>
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<meta name="keywords" content="math, maths, mathematics, school, homework, education">
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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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<article id="content" role="main">
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<h1 class="center">Full Rotation</h1>
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<h3 align="center">A full rotation is 360 degrees</h3>
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<p class="center"><br>
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<img src="images/angle-full-rotation.svg" alt="angle full rotation" height="155" width="221"><br>
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<b>This is a "full rotation" <br>or "revolution" <br>or "complete turn" <br>or "full circle"</b></p>
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<p>It means turning around until you point in the same direction again.</p>
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<p>Try it here: </p>
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<div class="script" style="height: 270px;">
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images/rotate-rev.js
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</div>
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<p class="center">Note: RPM means "Revolutions Per Minute" <br>(how many full rotations every minute)</p>
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<p>Other ways of saying it:</p>
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<ul>
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<li>"Doing a <b>360</b>" means spinning around completely once (spinning around twice is a "720").</li>
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<li>"I gave the wheel one <b>complete turn</b> looking for holes"</li>
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<li>"It completed one <b>cycle</b>", meaning it went around exactly once.</li>
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<li>"It was spinning at 200 <b>revolutions</b> per minute" (but people usually say "RPM" instead of "revolutions per minute").</li>
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<li>"She went <b>full circle</b> on liking carrots". So maybe she originally liked carrots, then hated them, now she likes them again.</li>
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</ul>
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<p style="float:right; margin: 0 0 5px 10px;"><img src="images/degrees-360.gif" alt="Full Circle Degrees" height="339" width="344"></p>
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<p> </p>
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<p>This image of a protractor shows that a full rotation is 360<b>°</b></p>
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<p>And Half a rotation is 180°, called a <a href="straight-angle.html">Straight Angle</a></p>
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<p>And Quarter of a rotation is 90°, called a <a href="../rightangle.html">Right Angle</a></p>
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<div style="clear:both"></div>
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<p>And a full rotation is also equal to 2<span class="times">π </span><a href="radians.html">Radians</a>, so here are some equivalent values:</p>
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<div class="simple">
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<table style="border: 0; margin:auto;">
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<tbody>
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<tr style="text-align:center;">
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<td style="width:80px;">Rotations</td>
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<td style="width:80px;"><a href="radians.html">Radians</a></td>
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<td style="width:80px;"><a href="degrees.html">Degrees</a></td>
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</tr>
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<tr style="text-align:center;">
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<td>¼</td>
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<td><span class="times">π</span>/2</td>
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<td>90°</td>
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</tr>
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<tr style="text-align:center;">
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<td>½</td>
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<td><span class="times">π</span></td>
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<td>180°</td>
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</tr>
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<tr style="text-align:center;">
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<td>1</td>
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<td>2<span class="times">π</span></td>
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<td>360°</td>
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</tr>
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<tr style="text-align:center;">
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<td>1½</td>
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<td>3<span class="times">π</span></td>
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<td>540°</td>
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</tr>
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<tr style="text-align:center;">
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<td>2</td>
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<td>4<span class="times">π</span></td>
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<td>720°</td>
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</tr>
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</tbody></table>
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</div>
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<p> </p>
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<div class="questions">1773, 9156, 9159, 9161, 9163, 9157, 9158, 9160, 9162, 9164</div>
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<div class="related">
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<a href="../angles.html">Types of Angles</a>
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<a href="../acute.html">Acute Angles</a>
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<a href="../rightangle.html">Right Angles</a>
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<a href="../obtuse.html">Obtuse Angles</a>
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<a href="../reflex.html">Reflex Angles</a>
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<a href="../angle180.html">Angles On a Straight Line</a>
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<a href="degrees.html">Degrees (Angle)</a>
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<a href="supplementary-angles.html">Supplementary Angles</a>
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<a href="complementary-angles.html">Complementary Angles</a>
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<a href="index.html">Geometry Index</a>
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</div>
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</article>
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<div id="adend" class="centerfull noprint"></div>
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<footer id="footer" class="centerfull noprint"></footer>
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<div id="copyrt">Copyright © 2022 Rod Pierce</div>
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