<?xml version="1.0" encoding="utf-8"?>
<CaR>
<Construction>
<Window x="0.5555555555555536" y="1.1296296296296289" w="8.0"/>
<Windowdim w="1043" h="716"/>
<Preferences minfontsize="28" minpointsize="4" minlinesize="3" arrowsize="13" selectionsize="8" monkeyspeed="20" gridopacity="20" digits.lengths="2" digits.edit="4" digits.angles="2" colorbackground="255,255,255" colorbackgroundx="5" colorbackgroundy="9" colorbackgroundPal="4" fig3D="false" figDP="false"/>
<Objects>
<Point name="A" n="0" color="2" showname="true" x="-2.2592592592592613" y="4.851851851851851" shape="circle">Punto</Point>
<Point name="B" n="1" color="2" showname="true" x="6.518518518518517" y="-3.074074074074075" shape="circle">Punto</Point>
<Point name="C" n="2" color="2" showname="true" x="-6.2777777777777795" y="-3.000000000000001" shape="circle">Punto</Point>
<Segment name="c" n="5" color="1" type="thick" showname="true" from="A" to="B">Segmento da A a B</Segment>
<Segment name="a" n="8" color="1" type="thick" showname="true" from="B" to="C">Segmento da B a C</Segment>
<Segment name="b" n="11" color="1" type="thick" showname="true" from="C" to="A">Segmento da C a A</Segment>
<Angle name="a1" n="312" color="1" hidden="super" showvalue="true" unit="°" first="C" root="B" filled="true" fixed="angle180(a(C,B,A))/2">Angolo C - B di musura angle180(a(C,B,A))/2</Angle>
<Circle name="c1" n="313" color="4" hidden="super" through="C" midpoint="B" acute="true">Circonferenza di centro B per C</Circle>
<Intersection name="P4" n="314" hidden="super" showname="true" first="a1" second="c1" shape="circle" which="first">Intersezione tra a1 e c1</Intersection>
<Ray name="r1" n="315" color="4" type="thin" from="B" to="P4">Semiretta da B puntando a P4</Ray>
<Angle name="a2" n="691" color="1" hidden="super" showvalue="true" unit="°" first="A" root="C" filled="true" fixed="angle180(a(A,C,B))/2">Angolo A - C di musura angle180(a(A,C,B))/2</Angle>
<Circle name="c2" n="692" color="4" hidden="super" through="A" midpoint="C" acute="true">Circonferenza di centro C per A</Circle>
<Intersection name="P5" n="693" hidden="super" showname="true" first="a2" second="c2" shape="circle" which="first">Intersezione tra a2 e c2</Intersection>
<Ray name="r2" n="694" color="4" type="thin" from="C" to="P5">Semiretta da C puntando a P5</Ray>
<Angle name="a3" n="1045" color="1" hidden="super" showvalue="true" unit="°" first="B" root="A" filled="true" fixed="angle180(a(B,A,C))/2">Angolo B - A di musura angle180(a(B,A,C))/2</Angle>
<Circle name="c3" n="1046" color="4" hidden="super" through="B" midpoint="A" acute="true">Circonferenza di centro A per B</Circle>
<Intersection name="P6" n="1047" hidden="super" showname="true" first="a3" second="c3" shape="circle" which="first">Intersezione tra a3 e c3</Intersection>
<Ray name="r3" n="1048" color="4" type="thin" from="A" to="P6">Semiretta da A puntando a P6</Ray>
<Intersection name="P7" n="1049" color="2" first="r2" second="r3" shape="circle">Intersezione tra r2 e r3</Intersection>
<Plumb name="p1" n="1052" color="4" type="thin" point="P7" line="a" valid="true">Retta perpendicolare per P7 a a</Plumb>
<Intersection name="P8" n="1053" color="2" type="thin" first="a" second="p1" shape="circle">Intersezione tra a e p1</Intersection>
<Circle name="c4" n="1056" color="4" type="thick" through="P8" midpoint="P7" acute="true">Circonferenza di centro P7 per P8</Circle>
<PointOn name="P1" n="1057" color="2" on="c4" alpha="1.3568558768298553" x="-0.7255312854170654" y="2.9293208003731857" shape="circle">Punto su c4</PointOn>
<Segment name="s4" n="1060" color="4" from="P7" to="P1">Segmento da P7 a P1</Segment>
<Plumb name="p2" n="1063" type="thick" point="P1" line="s4" valid="true">Retta perpendicolare per P1 a s4</Plumb>
<Plumb name="p3" n="1066" color="4" type="thin" point="C" line="p2" valid="true">Retta perpendicolare per C a p2</Plumb>
<Plumb name="p4" n="1069" color="2" type="thin" point="A" line="p2" valid="true">Retta perpendicolare per A a p2</Plumb>
<Plumb name="p5" n="1072" color="4" type="thin" point="B" line="p2" valid="true">Retta perpendicolare per B a p2</Plumb>
<Intersection name="P2" n="1073" color="2" first="p2" second="p5" shape="circle">Intersezione tra p2 e p5</Intersection>
<Intersection name="P3" n="1074" color="2" first="p3" second="p2" shape="circle">Intersezione tra p3 e p2</Intersection>
<Intersection name="P9" n="1075" color="2" first="p4" second="p2" shape="circle">Intersezione tra p4 e p2</Intersection>
<Segment name="a&apos;" n="1078" color="5" type="thick" showname="true" from="A" to="P9">Segmento da A a P9</Segment>
<Segment name="c&apos;" n="1081" color="5" type="thick" showname="true" from="C" to="P3">Segmento da C a P3</Segment>
<Segment name="b&apos;" n="1084" color="5" type="thick" showname="true" from="B" to="P2">Segmento da B a P2</Segment>
<Polygon name="K" n="1085" color="2" scolor="255,,214,,107" type="thin" showname="true" background="true" point1="A" point2="C" point3="B">Poligono</Polygon>
<Expression name="E1" n="1087" color="1" type="thick" showname="true" showvalue="true" x="2" y="4" value="-2*K" prompt="2*K" fixed="true">Espressione &quot;-2*K&quot; in 2.0, 4.0</Expression>
<Expression name="" n="1088" color="1" type="thick" showname="true" showvalue="true" x="2.0555555555555536" y="4.944444444444443" value="c*&quot;c&apos;&quot;+b*&quot;b&apos;&quot;-a*&quot;a&apos;&quot;" prompt="c*c&apos;+b*b&apos;-a*a&apos;">Espressione &quot;c*&quot;c&apos;&quot;+b*&quot;b&apos;&quot;-a*&quot;a&apos;&quot;&quot; in 2.06, 4.94</Expression>
<Angle name="a4" n="1092" color="1" xcoffset="0.04782364321796043" ycoffset="-0.46048626931191666" unit="°" first="C" root="P3" second="P9" display="small" filled="true" acute="true">Angolo C - P3 - P9</Angle>
<Angle name="a5" n="1095" color="1" xcoffset="0.4130502746887355" ycoffset="0.20910326552927358" unit="°" first="A" root="P9" second="P1" display="small" filled="true" acute="true">Angolo A - P9 - P1</Angle>
<Angle name="a6" n="1098" color="1" xcoffset="-0.447029904629265" ycoffset="-0.12041166655518071" unit="°" first="B" root="P2" second="P1" display="small" filled="true" acute="true">Angolo B - P2 - P1</Angle>
</Objects>
</Construction>
</CaR>