<?xml version="1.0" encoding="utf-8"?>
<CaR>
<Construction>
<Window x="8.799999999999999" y="6.3999999999999995" w="8.0"/>
<Objects>
<Point name="A" n="1" showname="true" xcoffset="-0.22857142857142954" ycoffset="0.20952380952380878" keepclose="true" bold="true" large="true" x="6" actx="6.0" y="8" acty="8.0" fixed="true">Point at &quot;6&quot;, &quot;8&quot;</Point>
<Point name="B" n="2" showname="true" xcoffset="-0.22857142857142954" ycoffset="-0.1333333333333342" keepclose="true" bold="true" large="true" x="6" actx="6.0" y="2" acty="2.0" fixed="true">Point at &quot;6&quot;, &quot;2&quot;</Point>
<Point name="D" n="3" showname="true" xcoffset="0.2666666666666657" ycoffset="0.1904761904761898" keepclose="true" bold="true" large="true" x="14" actx="14.0" y="8" acty="8.0" fixed="true">Point at &quot;14&quot;, &quot;8&quot;</Point>
<Point name="C" n="4" showname="true" xcoffset="0.15238095238095184" ycoffset="-0.09523809523809623" keepclose="true" bold="true" large="true" x="14" actx="14.0" y="2" acty="2.0" fixed="true">Point at &quot;14&quot;, &quot;2&quot;</Point>
<Text name="Text1" n="26" bold="true" large="true" x="1.275059382422802" y="11.264608076009502">圖中ABCD為矩形，AB=6，AD=8。
移動P點及Q點使紅色部分的面積為矩形ABCD的面積的八分之三。</Text>
<Text name="Text2" n="29" hidden="super" bold="true" large="true" x="1.4285714285714277" y="2.876190476190476">Target=2031</Text>
<Segment name="s2" n="7" bold="true" large="true" from="A" to="B">Line segment from P1 to P2</Segment>
<Segment name="s4" n="10" bold="true" large="true" from="B" to="C">Line segment from P2 to P4</Segment>
<Segment name="s6" n="13" bold="true" large="true" from="C" to="D">Line segment from P4 to P3</Segment>
<Segment name="s8" n="16" bold="true" large="true" from="D" to="A">Line segment from P3 to P1</Segment>
<PointOn name="Q" n="17" color="5" type="thick" showname="true" xcoffset="0.15714285714285658" ycoffset="0.3999999999999986" keepclose="true" bold="true" large="true" on="s8" alpha="0.5261904761904763" x="9.79047619047619" y="8.0" shape="circle">Point on s8</PointOn>
<PointOn name="P" n="18" color="5" type="thick" showname="true" xcoffset="-0.3619047619047633" ycoffset="-0.0333333333333341" keepclose="true" bold="true" large="true" on="s2" alpha="0.39365079365079375" x="6.0" y="5.638095238095238" shape="circle">Point on s2</PointOn>
<Polygon name="s" n="19" color="5" background="true" bold="true" large="true" point1="B" point2="P" point3="Q" point4="D">Polygon P2, P, Q, P3</Polygon>
<Segment name="s10" n="22" color="5" type="thick" showvalue="true" bold="true" large="true" from="Q" to="D">Line segment from Q to P3</Segment>
<Segment name="s12" n="25" color="5" type="thick" showvalue="true" xcoffset="0.5156462585034015" ycoffset="0.20680272108843564" keepclose="true" bold="true" large="true" from="P" to="B">Line segment from P to P2</Segment>
<Expression name="E3" n="30" showname="true" showvalue="true" x="1.3142857142857138" y="9.504761904761905" value="round(100*y(P))" prompt="答案2">Expression &quot;round(100*y(P))&quot; at 1.3, 9.5</Expression>
<Expression name="E4" n="31" showname="true" showvalue="true" x="1.3142857142857138" y="9.009523809523813" value="round(100*x(Q))" prompt="答案3">Expression &quot;round(100*x(Q))&quot; at 1.3, 9.0</Expression>
<Expression name="E2" n="28" showname="true" showvalue="true" x="1.3" y="10.0" value="round(100*(s-18))+2031" prompt="答案1">Expression &quot;round(100*(s-18))+2031&quot; at 1.3, 10.0</Expression>
</Objects>
</Construction>
</CaR>
