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121 lines
4.3 KiB
HTML
121 lines
4.3 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/rightangle.html by HTTrack Website Copier/3.x [XR&CO'2014], Sat, 29 Oct 2022 00:37:20 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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<!-- #BeginEditable "doctitle" -->
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<title>Right Angles</title>
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<meta name="description" content="Learn that a right angle is an internal angle which is equal to 90 degrees, with examples.">
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<meta name="keywords" content="math, maths, mathematics, school, homework, education">
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<link rel="preload" href="style4.css" as="style">
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<link rel="preload" href="main4.js" as="script">
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<link rel="stylesheet" href="style4.css">
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<script src="main4.js" defer="defer"></script>
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</script>
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<body id="bodybg">
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<div id="stt"></div>
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<div id="adTop"></div>
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<header>
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<div id="hdr"></div>
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<div id="tran"></div>
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<div id="adHide"></div>
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<div id="cookOK"></div>
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</header>
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<div class="mid">
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<nav>
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<div id="menuWide" class="menu"></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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<!-- #BeginEditable "Body" -->
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<h1 class="center">Right Angles</h1>
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<div class="center">
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<p><span class="larger">A right angle is an internal angle which is equal to 90°
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</span></p>
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<p><img src="geometry/images/right-angle.svg" alt="right angle: 90 degrees" height="104" width="136"><br>
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<span class="large">This is a right angle</span></p>
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</div>
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<p>See that special symbol like a box in the corner? That says
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it is a right angle. The 90° is rarely written in. If we
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see the box in the corner, we are being told it is a right angle.</p>
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<p>All the angles below are right angles:</p>
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<p class="center"><img src="geometry/images/right-angles.svg" alt="right angle examples" height="238" width="287"></p>
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<p>A right angle can be in any orientation or rotation as long as
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the internal angle is 90°</p><br>
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<p class="fun center">Never argue with a 90° angle, it is always <b>right</b>!</p>
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<h2>Types of Angles</h2>
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<p class="center"><img src="geometry/images/angle-types.svg" alt="types of angle" style="max-width:100%" height="83" width="527"></p>
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<p class="center">Read more about <a href="angles.html">Angles</a></p>
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<p>See the angle types yourself:</p>
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<div style="width: 400px; margin:auto;">
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<div class="script" style="height: 320px;">
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geometry/images/angle-drag.js?type=right
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</div> </div>
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<p> </p>
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<div class="questions">8984, 3288, 3289, 3291, 8981, 3290, 808, 1771, 8988, 8982</div>
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<div class="related">
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<a href="geometry/interior-angles.html">Interior Angles</a>
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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="obtuse.html">Obtuse Angles</a>
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<a href="geometry/straight-angle.html">Straight Angle</a>
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<a href="reflex.html">Reflex Angles</a>
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<a href="geometry/degrees.html">Degrees (Angle)</a>
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<a href="geometry/symbols.html">Symbols in Geometry</a>
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<a href="geometry/index.html">Geometry Index</a>
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</div>
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<div id="copyrt">Copyright © 2021 MathsIsFun.com</div>
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