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174 lines
6.9 KiB
HTML
174 lines
6.9 KiB
HTML
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<title>US Standard Area</title>
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<h1 align="center">US Standard Area</h1>
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<p>These are the most common measurements:</p>
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<div id="midul">
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<ul>
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<li><b>Square Inch</b></li>
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<li><b>Square Foot</b></li>
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<li><b>Square Yard</b></li>
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<li><b>Acre</b><b></b></li>
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<li><b>Square Mile</b></li>
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</ul></div>
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<p>Small surfaces are usually measured in square inches, rooms and buildings in square feet, carpet in square yards, property in acres, and territory in square miles.</p>
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<p> </p>
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<p><img src="images/square-inch.jpg" width="200" height="106" style="float:left; margin: 10px;" alt="square inch" /></p><h2>Square Inch</h2>
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<p><a href="../geometry/area.html">Area</a> is length by length, so a <b>square inch</b> is a square that is 1 inch on each side.</p>
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<p>The Unit is <b>inch × inch</b>, which can be written many ways, such as:</p>
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<ul>
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<li>in<sup>2</sup></li>
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<li>inch<sup>2</sup></li>
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<li>sq in</li>
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<li>sq inch</li>
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<li>square inch</li>
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<li>etc ...</li>
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</ul>
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<div class="indent50px"></div>
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<h2>Square Foot</h2>
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<p style="float:right; margin: 0 0 5px 10px;"><img src="images/square-foot.jpg" width="250" height="225" alt="Ariel the dog next to square foot" /></p>
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<p>A <b>square foot</b> is a square that is 1 foot on each side. </p>
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<p>Here Ariel the Dog sits next to a square foot made with tape measures.</p>
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<p>The Unit is foot × foot, which can be written many ways, such as</p>
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<ul>
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<li>ft<sup>2</sup></li>
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<li>foot<sup>2</sup></li>
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<li>sq ft</li>
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<li>sq foot</li>
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<li>sq feet</li>
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</ul>
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<p>Thinking of houses, the area of a typical ...</p>
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<p style="float:right; margin: 0 0 5px 10px;"><img src="../money/images/house.jpg" width="100" height="100" alt="house"></p> <p class="center">... bedroom is 100 square feet<br>
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... garage is 400 square feet<br>
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... house is 2000 square feet</p>
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<h2>Square Yard</h2>
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<div class="indent50px">
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<p>A <b>square yard</b> is a square that is 1 yard on each side. It is equal to 9 square feet.</p>
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</div>
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<h2>Acre</h2>
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<p><img src="images/land-area.jpg" alt="land area" width="300" height="225" style="float:right; margin: 10px;" /></p>
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<div class="indent50px">
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<p>One <b>acre</b> is equal to 43,560 square feet.</p>
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<p>It is:</p>
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<ul>
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<li> <b>a bt more than</b> 200 ft by 200 ft</li>
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<li>exactly 198 ft by 220 ft</li>
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<li> exactly 66 ft by 660 ft</li>
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<li>about the area of a<b> football field</b> </li>
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</ul>
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<p>Acres are commonly used to measure land.</p>
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<p> </p>
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</div>
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<div class="indent50px"></div>
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<h2>Square Mile</h2>
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<div class="indent50px">
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<p>A <b>square mile</b> is a square that is 1 mile on each side. </p>
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<p>Square miles are commonly used to measure large areas of land.</p>
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</div>
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<p> </p>
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<h2>More Examples</h2>
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<p>A square inch is about:</p>
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<ul>
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<li>6½ square centimeters</li>
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</ul>
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<p>An acre is:</p>
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<ul>
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<li>4,840 square yards </li>
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<li>43,560 square feet</li>
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<li>4,046.8564224 square meters</li>
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<li>about 0.4 hectare (40% of the area of a hectare)</li>
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<li>a square with sides about 208.71 feet (or 69.57 yards)</li>
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<li>a bit less than a football field</li>
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<li>about 16 tennis courts</li>
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</ul>
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<p>A square mile is:</p>
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<ul>
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<li>640 acres</li>
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</ul>
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<p> </p>
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<div class="questions">
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<script type="text/javascript">getQ(997, 998, 999, 2207, 2208, 2209, 3626, 3627, 3628, 3629);</script>
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</div>
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<div class="activity"><a href="../activity/garden-area.html">Garden Area Activity</a></div>
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<div class="related">
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<a href="../geometry/area.html">Area</a> <a href="us-standard-units-introduction.html">US Standard Units Introduction</a> <a href="index.html">Measurement Index</a> </div>
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