Calculating the Perimeter of Irregular Polygons Using Translation
2016-11-16 02:07
This applet demonstrates calculating the perimeter of an irregular polygon via translation. By translating specific sides, the figure transforms into regular shapes like rectangles, simplifying the calculation. It uses points, segments, and intersections to visually show geometric transformations in perimeter problems, ideal for geometry education.
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<element type="point" label="V">
<show object="true" label="false" ev="4"/>
<objColor r="0" g="0" b="0" alpha="0"/>
<layer val="0"/>
<labelMode val="0"/>
<animation step="0.1" speed="1" type="1" playing="false"/>
<selectionAllowed val="false"/>
<coords x="15" y="-1" z="1"/>
<pointSize val="5"/>
<pointStyle val="8"/>
</element>
<command name="Segment">
<input a0="U" a1="V"/>
<output a0="d"/>
</command>
<element type="segment" label="d">
<show object="true" label="true" ev="4"/>
<objColor r="0" g="0" b="0" alpha="0"/>
<layer val="0"/>
<labelMode val="3"/>
<selectionAllowed val="false"/>
<coords x="0" y="15" z="15"/>
<lineStyle thickness="2" type="0" typeHidden="1"/>
<outlyingIntersections val="false"/>
<keepTypeOnTransform val="true"/>
<caption val="15 cm"/>
</element>
</construction>
</geogebra>