<?xml version="1.0" encoding="utf-8"?> <CaR> <Construction> <Window x="-1.0687022900763363" y="-0.33587786259542085" w="8.0"/> <Windowdim w="703" h="527"/> <Preferences minfontsize="18" minpointsize="3" minlinesize="2" arrowsize="10" selectionsize="8" monkeyspeed="20" gridopacity="20" digits.lengths="2" digits.edit="4" digits.angles="2" colorbackground="255,255,255" colorbackgroundx="9" colorbackgroundy="4" colorbackgroundPal="4" fig3D="false" figDP="false"/> <Objects> <Point name="A" n="0" color="2" showname="true" x="-3.6030534351145036" y="4.534351145038168" shape="circle">Punto</Point> <Point name="B" n="1" color="2" showname="true" x="5.404580152671755" y="-2.8549618320610692" shape="circle">Punto</Point> <Point name="C" n="2" color="2" showname="true" x="-5.98473282442748" y="-2.9465648854961843" shape="circle">Punto</Point> <Segment name="s1" n="5" color="1" from="A" to="B">Segmento da P1 a P2</Segment> <Segment name="s2" n="8" color="1" from="B" to="C">Segmento da P2 a P3</Segment> <Segment name="s3" n="11" color="1" from="C" to="A">Segmento da P3 a P1</Segment> <Midpoint name="P4" n="14" color="2" type="thin" first="A" second="B" shape="circle">Punto medio tra P1 e P2</Midpoint> <Midpoint name="P5" n="17" color="2" type="thin" first="B" second="C" shape="circle">Punto medio tra P2 e P3</Midpoint> <Midpoint name="P6" n="20" color="2" type="thin" first="C" second="A" shape="circle">Punto medio tra P3 e P1</Midpoint> <Segment name="s4" n="23" color="1" from="B" to="P6">Segmento da B a P6</Segment> <Segment name="s5" n="26" color="1" from="C" to="P4">Segmento da C a P4</Segment> <Segment name="s6" n="29" color="1" from="P5" to="A">Segmento da P5 a A</Segment> <Intersection name="P1" n="30" color="2" first="s6" second="s4" shape="circle">Intersezione tra s6 e s4</Intersection> <Point name="b'" n="276" color="2" type="thin" showname="true" x="2*x(P1)-x(B)" actx="-8.193384223918574" y="2*y(P1)-y(B)" acty="2.010178117048346" shape="circle" fixed="true">Punto</Point> <Point name="a'" n="620" color="2" type="thin" showname="true" x="2*x(P1)-x(A)" actx="0.8142493638676847" y="2*y(P1)-y(A)" acty="-5.3791348600508915" shape="circle" fixed="true">Punto</Point> <Point name="c'" n="918" color="2" type="thin" showname="true" x="2*x(P1)-x(C)" actx="3.1959287531806613" y="2*y(P1)-y(C)" acty="2.101781170483461" shape="circle" fixed="true">Punto</Point> <Quadric name="Q2" n="920" color="4" type="thick" point1="A" point2="b'" point3="C" point4="a'" point5="B">Conica per A, P2, C, P3, B </Quadric> </Objects> </Construction> </CaR>