<?xml version="1.0" encoding="utf-8"?>
<CaR>
<Construction>
<Window x="8.799999999999999" y="6.3999999999999995" w="8.0"/>
<Objects>
<Point name="B" n="1" hidden="super" showname="true" bold="true" large="true" x="1.6" actx="1.6" y="5.300000000000003" acty="5.300000000000003" fixed="true">Point at &quot;1.6&quot;, &quot;5.300000000000003&quot;</Point>
<Point name="C" n="4" hidden="super" showname="true" bold="true" large="true" x="9.8" actx="9.8" y="3.7" acty="3.7" fixed="true">Point at &quot;9.8&quot;, &quot;3.7&quot;</Point>
<Point name="A" n="8" hidden="super" bold="true" large="true" x="16.400000000000002" actx="16.400000000000002" y="10.3" acty="10.3" fixed="true">Point at &quot;16.400000000000002&quot;, &quot;10.3&quot;</Point>
<Text name="Text1" n="26" bold="true" large="true" x="1.4285714285714277" y="11.028571428571428">移動P點使紅色三角形的面積為藍色三角形的面積的兩倍。</Text>
<Text name="Text2" n="29" hidden="super" bold="true" large="true" x="1.6571428571428561" y="3.1619047619047613">Target=667</Text>
<Segment name="s2" n="5" hidden="true" bold="true" large="true" from="B" to="C">Line segment from P1 to P3</Segment>
<Segment name="s4" n="9" bold="true" large="true" from="B" to="A">Line segment from P1 to P5</Segment>
<Segment name="s6" n="12" bold="true" large="true" from="A" to="C">Line segment from P5 to P3</Segment>
<Point name="P12" n="25" hidden="super" bold="true" large="true" x="x(B)+(x(C)-x(B))*2/3" actx="7.066666666666668" y="y(B)+(y(C)-y(B))*2/3" acty="4.233333333333334" fixed="true">Point at &quot;x(B)+(x(C)-x(B))*2/3&quot;, &quot;y(B)+(y(C)-y(B))*2/3&quot;</Point>
<PointOn name="P" n="15" color="1" type="thick" showname="true" xcoffset="0.00915375001374219" ycoffset="-0.20645899840809623" keepclose="true" bold="true" large="true" on="s2" alpha="0.5617137399372353" x="6.206052667485329" y="4.401258016100425" shape="circle">Point on s2</PointOn>
<Segment name="s8" n="16" bold="true" large="true" from="A" to="P">Line segment from P5 to P9</Segment>
<Polygon name="poly1" n="17" color="5" background="true" bold="true" large="true" point1="B" point2="A" point3="P">Polygon P1, P5, P9</Polygon>
<Polygon name="poly2" n="18" color="2" background="true" bold="true" large="true" point1="P" point2="A" point3="C">Polygon P9, P5, P3</Polygon>
<Segment name="s10" n="21" color="5" type="thick" showvalue="true" xcoffset="0.47505052773411166" ycoffset="0.09162362452279361" keepclose="true" bold="true" large="true" from="B" to="P">Line segment from P1 to P9</Segment>
<Segment name="s12" n="24" color="2" type="thick" showvalue="true" xcoffset="0.45380564863571077" ycoffset="0.12464097654380091" keepclose="true" bold="true" large="true" from="P" to="C">Line segment from P9 to P3</Segment>
<Expression name="r" n="27" hidden="super" showname="true" showvalue="true" x="1.56" y="10.290000000000001" value="(x(P)-x(B))/(x(C)-x(B))" prompt="r">Expression &quot;(x(P)-x(B))/(x(C)-x(B))&quot; at 1.6, 10.3</Expression>
<Expression name="E2" n="28" showname="true" showvalue="true" x="1.4476190476190465" y="9.695238095238096" value="round(1000*r)" prompt="答案1">Expression &quot;round(1000*r)&quot; at 1.4, 9.7</Expression>
</Objects>
</Construction>
</CaR>
