<?xml version="1.0" encoding="utf-8"?>
<CaR>
<Construction>
<Window x="8.799999999999999" y="6.3999999999999995" w="8.0" showgrid="true"/>
<Objects>
<Point name="P1" n="1" bold="true" large="true" x="3" actx="3.0" y="3" acty="3.0" fixed="true">Point at &quot;3&quot;, &quot;3&quot;</Point>
<Point name="P2" n="2" bold="true" large="true" x="5" actx="5.0" y="3" acty="3.0" fixed="true">Point at &quot;5&quot;, &quot;3&quot;</Point>
<Point name="P3" n="3" bold="true" large="true" x="3" actx="3.0" y="9" acty="9.0" fixed="true">Point at &quot;3&quot;, &quot;9&quot;</Point>
<Point name="P4" n="4" bold="true" large="true" x="5" actx="5.0" y="9" acty="9.0" fixed="true">Point at &quot;5&quot;, &quot;9&quot;</Point>
<Point name="P5" n="6" bold="true" large="true" x="7" actx="7.0" y="3" acty="3.0" fixed="true">Point at &quot;7&quot;, &quot;3&quot;</Point>
<Point name="P7" n="9" bold="true" large="true" x="10" actx="10.0" y="3" acty="3.0" fixed="true">Point at &quot;10&quot;, &quot;3&quot;</Point>
<Point name="P8" n="11" hidden="super" bold="true" large="true" x="7" actx="7.0" y="9" acty="9.0" fixed="true">Point at &quot;7&quot;, &quot;9&quot;</Point>
<Text name="Text1" n="33" bold="true" large="true" x="1.3904761904761902" y="10.819047619047621">移動P點使兩個四邊形的面積相等。</Text>
<Expression name="t" n="34" hidden="super" showname="true" showvalue="true" x="1.9809523809523806" y="9.695238095238096" value="7+sqrt(20)" prompt="t">Expression &quot;7+sqrt(20)&quot; at 2.0, 9.7</Expression>
<Text name="Text2" n="36" hidden="super" bold="true" large="true" x="1.5809523809523802" y="2.4190476190476184">Target=1147</Text>
<Polygon name="poly1" n="5" color="1" background="true" bold="true" large="true" point1="P1" point2="P3" point3="P4" point4="P2">Polygon P1, P3, P4, P2</Polygon>
<Segment name="s2" n="10" bold="true" large="true" from="P5" to="P7">Line segment from P5 to P7</Segment>
<Circle name="c2" n="14" hidden="super" bold="true" large="true" through="P8" midpoint="P5" start="I3" end="P8" acute="true">Circle around P5 through P8</Circle>
<Ray name="r2" n="17" hidden="super" bold="true" large="true" from="P5" to="P7">Ray from P5 pointing to P7</Ray>
<Intersection name="I3" n="18" hidden="super" bold="true" large="true" first="r2" second="c2" which="first">Intersection between r2 and c2</Intersection>
<PointOn name="P" n="21" color="2" type="thick" showname="true" xcoffset="-0.11138909437853428" ycoffset="0.33780113522437283" keepclose="true" bold="true" large="true" on="c2" alpha="1.1402585303448816" x="9.50415748404565" y="8.452448559601287" shape="circle">Point on c2</PointOn>
<Segment name="s4" n="22" bold="true" large="true" from="P5" to="P">Line segment from P5 to P</Segment>
<Point name="P16" n="25" x="x(P7)+x(P)-x(P5)" actx="12.504157484045649" y="y(P7)+y(P)-y(P5)" acty="8.452448559601287" fixed="true">Point at &quot;x(P7)+x(P)-x(P5)&quot;, &quot;y(P7)+y(P)-y(P5)&quot;</Point>
<Expression name="E2" n="35" showname="true" showvalue="true" x="1.39047619047619" y="9.257142857142856" value="round(100*x(P))" prompt="答案1">Expression &quot;round(100*x(P))&quot; at 1.4, 9.3</Expression>
<Segment name="a" n="28" bold="true" large="true" from="P" to="P16">Line segment from P to P16</Segment>
<Segment name="s8" n="31" bold="true" large="true" from="P16" to="P7">Line segment from P16 to P7</Segment>
<Polygon name="poly2" n="32" color="2" background="true" bold="true" large="true" point1="P5" point2="P" point3="P16" point4="P7">Polygon P5, P, P16, P7</Polygon>
</Objects>
</Construction>
</CaR>
