<?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" type="thick" bold="true" large="true" x="8" actx="8.0" y="11" acty="11.0" fixed="true">Point at &quot;8&quot;, &quot;11&quot;</Point>
<Point name="P3" n="4" type="thick" bold="true" large="true" x="4" actx="4.0" y="3" acty="3.0" fixed="true">Point at &quot;4&quot;, &quot;3&quot;</Point>
<Point name="P" n="8" color="2" type="thick" showname="true" bold="true" large="true" x="13.638095238095245" y="4.457142857142857" shape="circle">Point at 13.64, 4.46</Point>
<Text name="Text1" n="14" type="thick" bold="true" large="true" x="1.5" y="10.5">移動點P使三角形的面積為20。</Text>
<Point name="P7" n="15" type="thick" hidden="super" bold="true" large="true" x="9" actx="9.0" y="3" acty="3.0" fixed="true">Point at &quot;9&quot;, &quot;3&quot;</Point>
<Text name="Text2" n="20" hidden="super" bold="true" large="true" x="1.5" y="4.5">Target=526</Text>
<Segment name="s2" n="5" type="thick" bold="true" large="true" from="P1" to="P3">Line segment from P1 to P3</Segment>
<Segment name="s4" n="9" type="thick" bold="true" large="true" from="P3" to="P">Line segment from P3 to P</Segment>
<Segment name="s6" n="12" type="thick" bold="true" large="true" from="P" to="P1">Line segment from P to P1</Segment>
<Polygon name="s" n="13" color="1" background="true" bold="true" large="true" point1="P1" point2="P" point3="P3">Polygon P1, P, P3</Polygon>
<Expression name="E2" n="21" showname="true" showvalue="true" x="1.695238095238094" y="9.009523809523813" value="round(x(P)*100)" prompt="答案2">Expression &quot;round(x(P)*100)&quot; at 1.7, 9.0</Expression>
<Expression name="E3" n="22" showname="true" showvalue="true" x="1.6761904761904753" y="8.628571428571428" value="round(100*y(P))" prompt="答案3">Expression &quot;round(100*y(P))&quot; at 1.7, 8.6</Expression>
<Parallel name="pl2" n="18" type="thick" hidden="super" bold="true" large="true" point="P7" line="s2">Parallel line through P7 to s2</Parallel>
<Expression name="E1" n="19" showname="true" showvalue="true" x="1.7000000000000006" y="9.35" value="round(10*s)+326" prompt="答案1">Expression &quot;round(10*s)+326&quot; at 1.7, 9.4</Expression>
</Objects>
</Construction>
</CaR>
