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198 lines
7.2 KiB
HTML
198 lines
7.2 KiB
HTML
<!doctype html>
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<html lang="en">
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<!-- #BeginTemplate "/Templates/Main.dwt" --><!-- DW6 -->
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<!-- Mirrored from www.mathsisfun.com/measure/compass-north-south-east-west.html by HTTrack Website Copier/3.x [XR&CO'2014], Sat, 29 Oct 2022 00:57:45 GMT -->
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<head>
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<meta charset="UTF-8">
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<!-- #BeginEditable "doctitle" -->
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<title>Compass: North, South, East and West</title>
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<meta name="description" content="Math explained in easy language, plus puzzles, games, quizzes, worksheets and a forum. For K-12 kids, teachers and parents." />
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<!-- #EndEditable -->
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<meta name="keywords" content="math, maths, mathematics, school, homework, education">
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<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=yes">
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<meta name="HandheldFriendly" content="true">
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<meta name="referrer" content="always">
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<link rel="preload" href="../images/style/font-champ-bold.ttf" as="font" type="font/ttf" crossorigin>
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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></script>
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<script async src="https://www.googletagmanager.com/gtag/js?id=UA-29771508-1"></script>
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<script>
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window.dataLayer = window.dataLayer || [];
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function gtag(){dataLayer.push(arguments);}
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gtag('js', new Date());
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gtag('config', 'UA-29771508-1');
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</script>
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</head>
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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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<div id="search" role="search"></div>
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<div id="linkto"></div>
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<div id="menuSlim" class="menu"></div>
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<div id="menuTiny" class="menu"></div>
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</nav>
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<div id="extra"></div>
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<article id="content" role="main">
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<!-- #BeginEditable "Body" -->
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<h1 class="center">Compass: North, South, East and West</h1>
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<p style="float:right; margin: 10px;"><img src="images/compass-rose.svg" alt="compass rose" height="240" width="240" ><br>
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Directions on the "Compass Rose"</p>
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<h2>Compass Bearings</h2>
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<p class="larger">A Compass Bearing tells us <span class="center">Direction</span></p>
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<p>The 4 main directions are <b>North</b>, <b>South</b>, <b>East</b> and <b>West</b> (going clockwise they are NESW).</p>
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<p> </p>
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<div style="clear:both"></div>
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<div class="center80">
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<p><b>How to remember?</b></p>
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<p>With North pointing ahead, "West" and "East" make the word "WE"</p>
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<table style="border: 0; margin:auto;">
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<tr>
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<td colspan="3" align="center"><b>N</b></td>
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</tr>
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<tr>
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<td width="10" align="center"><b>W</b></td>
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<td width="10" align="center"> </td>
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<td width="10" align="center"><b>E</b></td>
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</tr>
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<tr>
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<td colspan="3" align="center"><b>S</b></td>
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</tr>
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</table>
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<p>Or clockwise they are: "Never Eat Shredded Wheat"</p>
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</div>
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<table style="border: 0; margin:auto;">
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<tr>
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<td><a href="../games/direction-nsew-.html"><img src="../games/images/direction-nsew-.gif" alt="direction nsew " height="100" width="100" ></a></td>
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<td>
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<h3>Play The Game</h3>
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<p>Try the <a href="../games/direction-nsew-.html">Direction Game</a>.</p></td>
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</tr>
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</table>
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<h2>In Between</h2>
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<p>Halfway between North and East is North-East (NE).</p>
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<p>There is also South-East (SE), South-West (SW) and North-West (NW).</p>
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<p>And in between all of those are:</p>
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<ul>
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<li>NNE (North-North-East),</li>
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<li>ENE (East-North-East),</li>
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<li>ESE (East-South-East),</li>
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<li>SSE (South-South-East),</li>
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<li>SSW (South-South-West),</li>
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<li>WSW (West-South-West),</li>
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<li>WNW (West-North-West),</li>
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<li>NNW (North-North-west)</li>
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</ul>
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<div class="example">
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<p>Example: in the morning there was a strong North wind, but later it swung around to the North-East</p>
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</div>
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<div class="example">
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<p>Example: they were sailing mainly South-West, but sometimes a little towards South-South-West.</p>
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</div><p> </p>
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<p style="float:right; margin: 10px;"><img src="images/compass-bearing.svg" alt="compass bearing" height="220" width="219" ></p>
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<h2>Three-Figure Bearings</h2>
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<p>Three-figure bearings are an alternative to compass bearings that are
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much more precise. They are measured in a special way:</p>
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<ul>
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<li>Start measuring from the direction North</li>
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<li>Measure clockwise</li>
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<li>Give the bearing using three figures (or more than three if
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there's a decimal)</li>
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</ul>
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<p>It is common to put extra "0"s to make a full 3 digits, so:</p>
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<table style="border: 0; margin:auto;">
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<tr>
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<td colspan="3" align="center"><b>North is 000°</b></td>
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</tr>
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<tr>
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<td style="text-align:center;"><b>West is 270°</b></td>
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<td width="30" align="center"> </td>
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<td style="text-align:center;"><b>East is 090°</b></td>
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</tr>
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<tr>
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<td colspan="3" align="center"><b>South is 180°</b></td>
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</tr>
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</table>
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<p>Airline pilots and ships' helmsmen use three-figure bearings so that they can point their craft in exactly the right direction to safely reach their destination.</p>
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<div class="example">
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<h3>Examples</h3>
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<p>The four main compass bearings (North, East, South and West)
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are multiples of 90°:</p>
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<p class="center"><img src="images/three-figure-a.svg" alt="three figure bearings 000, 090, 180 and 270" height="170" width="475" ></p>
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<p>The advantage of
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three-figure bearings is that they describe any direction uniquely:</p>
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<p class="center"><img src="images/three-figure-b.svg" alt="three figure bearings examples" height="161" width="327" ></p>
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<p>Note that the last one has four figures (three in front of the decimal
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point and one after) but it is still a "three-figure
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bearing", the .4 just gives more accuracy.</p>
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</div>
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<p>The degree symbol is not always used:</p>
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<div class="example">
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<p>Example: South-West is 225 (in other words 225° clockwise from North)</p>
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</div>
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<p> </p>
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<div class="questions">6965, 6966, 6969, 6972, 6973, 661, 6509, 6510, 6511, 6512, 9179, 9181, 9183, 9186</div>
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<div class="related">
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<a href="../activity/walk-in-desert-2.html">Activity: A Walk in the Desert 2</a>
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<a href="index.html">Measurement Index</a>
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</div>
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<!-- #EndEditable -->
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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 © 2021 MathsIsFun.com</div>
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</div>
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</body>
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