<?xml version="1.0" encoding="utf-8"?>
<CaR>
<Construction>
<Window x="-0.6246001852892138" y="-0.2943209022126289" w="5.65685424949241"/>
<Windowdim w="960" h="734"/>
<Preferences minfontsize="19" minpointsize="3" minlinesize="1" arrowsize="10" selectionsize="8" monkeyspeed="20" gridopacity="20" digits.lengths="2" digits.edit="4" digits.angles="2" colorbackground="255,255,255" colorbackgroundx="10" colorbackgroundy="7" colorbackgroundPal="4" fig3D="false" figDP="false"/>
<Objects>
<Point name="P1" n="0" color="4" type="thin" x="-0.31244323342416" y="-0.40690281562216146" shape="circle">Punto</Point>
<Point name="P2" n="3" color="2" x="2.979143520318564" y="1.6522357218209853" shape="circle">Punto</Point>
<Circle name="c4" n="4" color="4" type="thick" through="P2" midpoint="P1" acute="true">Circonferenza di centro P1 per P2</Circle>
<Ray name="r6" n="8" color="4" type="thin" from="P1" to="P2">Semiretta da P1 puntando a P2</Ray>
<PointOn name="P3" n="5" color="2" on="c4" alpha="-1.3008839324204509" x="0.7228408399411335" y="-4.148931912413665" shape="circle">Punto su c4</PointOn>
<Plumb name="p6" n="19" color="4" type="thin" point="P2" line="r6" valid="true">Retta perpendicolare per P2 a r6</Plumb>
<Line name="l1" n="164" color="2" type="thin" from="P2" to="P3">Retta per P2 e P3</Line>
<Ray name="r7" n="11" color="4" type="thin" from="P1" to="P3">Semiretta da P1 puntando a P3</Ray>
<PointOn name="P25" n="665" color="4" type="thin" on="p6" alpha="-9.490235681942561" x="8.01229196989879" y="-6.393383582079987" shape="circle">Punto su p6</PointOn>
<Angle name="a1" n="666" color="1" xcoffset="-0.037363657680490915" ycoffset="-0.30320934785334275" unit="°" first="P1" root="P2" second="P25" display="small" filled="true" acute="true">Angolo P1 - P2 - P25</Angle>
<Plumb name="p5" n="16" color="4" type="thin" point="P3" line="r7" valid="true">Retta perpendicolare per P3 a r7</Plumb>
<Intersection name="P4" n="20" color="4" type="thin" first="p5" second="p6" shape="circle">Intersezione tra p5 e p6</Intersection>
<Circle name="c5" n="23" color="4" type="thin" through="P2" midpoint="P4" acute="true">Circonferenza di centro P4 per P2</Circle>
<Angle name="a2" n="669" color="1" xcoffset="0.19874138967385074" ycoffset="0.2320211446644915" unit="°" first="P4" root="P3" second="P1" display="small" filled="true" acute="true">Angolo P4 - P3 - P1</Angle>
<Ray name="r8" n="26" color="4" type="thin" from="P1" to="P4">Semiretta da P1 puntando a P4</Ray>
<Intersection name="P5" n="27" color="4" type="thin" hidden="true" first="r8" second="c5" shape="circle" which="second">Intersezione tra r8 e c5</Intersection>
<Point name="P6" n="158" type="thick" hidden="super" showname="true" bold="true" large="true" x="if(a(P3,P2,P5)&lt;180,x(P2),x(P3))" actx="0.7228408399411335" y="if(a(P3,P2,P5)&lt;180,y(P2),y(P3))" acty="-4.148931912413665" shape="circle" fixed="true">Point à &quot;if(a(C,A,B)&lt;180,x(A),x(C))&quot;, &quot;if(a(C,A,B)&lt;180,y(A),y(C))&quot; </Point>
<Point name="P7" n="159" type="thick" hidden="super" showname="true" bold="true" large="true" x="if(a(P3,P2,P5)&lt;180,x(P3),x(P2))" actx="2.979143520318564" y="if(a(P3,P2,P5)&lt;180,y(P3),y(P2))" acty="1.6522357218209853" shape="diamond" fixed="true">Point à &quot;if(a(C,A,B)&lt;180,x(C),x(A))&quot;, &quot;if(a(C,A,B)&lt;180,y(C),y(A))&quot; </Point>
<Point name="P8" n="160" hidden="super" x="(x(P5)^2*y(P6)-x(P5)^2*y(P7)+y(P6)^2*y(P7)-y(P6)^2*y(P5)-y(P6)*y(P7)^2+y(P6)*y(P5)^2-y(P6)*x(P7)^2+y(P7)^2*y(P5)-y(P7)*y(P5)^2+y(P7)*x(P6)^2+y(P5)*x(P7)^2-y(P5)*x(P6)^2)/(2*x(P5)*y(P6)+(-(2*x(P5)))*y(P7)+(-(2*y(P6)))*x(P7)+2*y(P7)*x(P6)+2*y(P5)*x(P7)+(-(2*y(P5)))*x(P6))" actx="5.739893335862397" y="(-x(P5)^2*x(P6)+x(P5)^2*x(P7)+x(P5)*x(P6)^2-x(P5)*x(P7)^2+x(P5)*y(P6)^2-x(P5)*y(P7)^2-x(P6)^2*x(P7)+x(P6)*x(P7)^2+x(P6)*y(P7)^2-x(P6)*y(P5)^2-x(P7)*y(P6)^2+x(P7)*y(P5)^2)/(2*x(P5)*y(P6)+(-(2*x(P5)))*y(P7)+2*x(P6)*y(P7)+(-(2*x(P6)))*y(P5)+(-(2*x(P7)))*y(P6)+2*x(P7)*y(P5))" acty="-2.7608949918246735" fixed="true">Point à &quot;(x(B)^2*y(P4)-x(B)^2*y(P5)+y(P4)^2*y(P5)-y(P4)^2*y(B)-y(P4)*y(P5)^2+y(P4)*y(B)^2-y(P4)*x(P5)^2+y(P5)^2*y(B)-y(P5)*y(B)^2+y(P5)*x(P4)^2+y(B)*x(P5)^2-y(B)*x(P4)^2)/(2*x(B)*y(P4)+(-(2*x(B)))*y(P5)+(-(2*y(P4)))*x(P5)+2*y(P5)*x(P4)+2*y(B)*x(P5)+(-(2*y(B)))*x(P4))&quot;, &quot;(-x(B)^2*x(P4)+x(B)^2*x(P5)+x(B)*x(P4)^2-x(B)*x(P5)^2+x(B)*y(P4)^2-x(B)*y(P5)^2-x(P4)^2*x(P5)+x(P4)*x(P5)^2+x(P4)*y(P5)^2-x(P4)*y(B)^2-x(P5)*y(P4)^2+x(P5)*y(B)^2)/(2*x(B)*y(P4)+(-(2*x(B)))*y(P5)+2*x(P4)*y(P5)+(-(2*x(P4)))*y(B)+(-(2*x(P5)))*y(P4)+2*x(P5)*y(B))&quot; </Point>
<Circle name="L" n="161" color="2" type="thick" showname="true" through="P6" midpoint="P8" start="P7" end="P6">Circonferenza di centro P8 per P6</Circle>
<PointOn name="Q" n="165" color="2" on="L" alpha="0.35965931700710363" x="1.3042609370095848" y="-0.036445054315230596" shape="circle">Punto su L</PointOn>
<Ray name="r1" n="168" color="2" type="thin" from="P4" to="Q">Semiretta da P4 puntando a P9</Ray>
<Intersection name="P10" n="171" color="2" first="r1" second="c5" shape="circle" which="first">Intersezione tra r1 e c5</Intersection>
<PointOn name="P26" n="672" color="2" type="thin" on="r1" alpha="15.170117334741487" x="-7.186583640898022" y="5.17879347304011" shape="circle">Punto su r1</PointOn>
<Plumb name="p1" n="172" color="2" type="thin" point="P10" line="r1" valid="true">Retta perpendicolare per P10 a r1</Plumb>
<Intersection name="P11" n="173" color="2" type="thin" first="p1" second="l1" shape="circle">Intersezione tra p1 e l1</Intersection>
<Circle name="c1" n="182" color="4" through="Q" midpoint="P11" acute="true">Circonferenza di centro P11 per P9</Circle>
<Angle name="a3" n="673" color="1" xcoffset="-0.15796157058386534" ycoffset="0.26149587713689254" unit="°" first="P11" root="Q" second="P26" display="small" filled="true" acute="true">Angolo P11 - P9 - P26</Angle>
<Intersection name="A" n="183" color="2" type="thin" first="c4" second="c1" shape="circle" which="second">Intersezione tra c4 e c1</Intersection>
<Intersection name="B" n="184" color="4" type="thin" first="c4" second="c1" shape="circle" which="first">Intersezione tra c4 e c1</Intersection>
<Ray name="r2" n="187" color="2" type="thin" from="P1" to="A">Semiretta da P1 puntando a P12</Ray>
<Point name="P14" n="316" type="thick" hidden="super" showname="true" bold="true" large="true" x="if(a(A,B,Q)&lt;180,x(B),x(A))" actx="3.5507764158917716" y="if(a(A,B,Q)&lt;180,y(B),y(A))" acty="-0.7943674139241965" shape="circle" fixed="true">Point à &quot;if(a(C,A,B)&lt;180,x(A),x(C))&quot;, &quot;if(a(C,A,B)&lt;180,y(A),y(C))&quot; </Point>
<Point name="P15" n="317" type="thick" hidden="super" showname="true" bold="true" large="true" x="if(a(A,B,Q)&lt;180,x(A),x(B))" actx="-1.110359265265748" y="if(a(A,B,Q)&lt;180,y(A),y(B))" acty="3.3928241324529553" shape="diamond" fixed="true">Point à &quot;if(a(C,A,B)&lt;180,x(C),x(A))&quot;, &quot;if(a(C,A,B)&lt;180,y(C),y(A))&quot; </Point>
<Angle name="a4" n="682" color="1" xcoffset="0.20661416276412772" ycoffset="-0.298834234011413" unit="°" first="P11" root="A" second="P1" display="small" filled="true" acute="true">Angolo P11 - P12 - P1</Angle>
<Angle name="a5" n="685" color="1" xcoffset="-0.30151471816025427" ycoffset="0.20268247680707835" unit="°" first="P1" root="B" second="P11" display="small" filled="true" acute="true">Angolo P1 - P13 - P11</Angle>
<Ray name="r9" n="679" color="2" type="thin" from="P11" to="A">Semiretta da P11 puntando a P12</Ray>
<Point name="P16" n="318" hidden="super" x="(x(Q)^2*y(P14)-x(Q)^2*y(P15)+y(P14)^2*y(P15)-y(P14)^2*y(Q)-y(P14)*y(P15)^2+y(P14)*y(Q)^2-y(P14)*x(P15)^2+y(P15)^2*y(Q)-y(P15)*y(Q)^2+y(P15)*x(P14)^2+y(Q)*x(P15)^2-y(Q)*x(P14)^2)/(2*x(Q)*y(P14)+(-(2*x(Q)))*y(P15)+(-(2*y(P14)))*x(P15)+2*y(P15)*x(P14)+2*y(Q)*x(P15)+(-(2*y(Q)))*x(P14))" actx="4.080051389268624" y="(-x(Q)^2*x(P14)+x(Q)^2*x(P15)+x(Q)*x(P14)^2-x(Q)*x(P15)^2+x(Q)*y(P14)^2-x(Q)*y(P15)^2-x(P14)^2*x(P15)+x(P14)*x(P15)^2+x(P14)*y(P15)^2-x(P14)*y(Q)^2-x(P15)*y(P14)^2+x(P15)*y(Q)^2)/(2*x(Q)*y(P14)+(-(2*x(Q)))*y(P15)+2*x(P14)*y(P15)+(-(2*x(P14)))*y(Q)+(-(2*x(P15)))*y(P14)+2*x(P15)*y(Q))" acty="4.482773997190576" fixed="true">Point à &quot;(x(B)^2*y(P4)-x(B)^2*y(P5)+y(P4)^2*y(P5)-y(P4)^2*y(B)-y(P4)*y(P5)^2+y(P4)*y(B)^2-y(P4)*x(P5)^2+y(P5)^2*y(B)-y(P5)*y(B)^2+y(P5)*x(P4)^2+y(B)*x(P5)^2-y(B)*x(P4)^2)/(2*x(B)*y(P4)+(-(2*x(B)))*y(P5)+(-(2*y(P4)))*x(P5)+2*y(P5)*x(P4)+2*y(B)*x(P5)+(-(2*y(B)))*x(P4))&quot;, &quot;(-x(B)^2*x(P4)+x(B)^2*x(P5)+x(B)*x(P4)^2-x(B)*x(P5)^2+x(B)*y(P4)^2-x(B)*y(P5)^2-x(P4)^2*x(P5)+x(P4)*x(P5)^2+x(P4)*y(P5)^2-x(P4)*y(B)^2-x(P5)*y(P4)^2+x(P5)*y(B)^2)/(2*x(B)*y(P4)+(-(2*x(B)))*y(P5)+2*x(P4)*y(P5)+(-(2*x(P4)))*y(B)+(-(2*x(P5)))*y(P4)+2*x(P5)*y(B))&quot; </Point>
<Circle name="c2" n="319" color="2" type="thin" through="P14" midpoint="P16" start="P15" end="P14">Circonferenza di centro P16 per P14</Circle>
<PointOn name="P" n="320" type="thick" showname="true" on="c2" alpha="0.24117720898094178" x="-0.543990769442031" y="1.885354588467374" shape="circle">Punto su c2</PointOn>
<Midpoint name="P17" n="325" color="2" type="thin" hidden="true" first="P" second="Q" shape="circle">Punto medio tra P e P9</Midpoint>
<Point name="P22" n="659" type="thick" hidden="super" showname="true" bold="true" large="true" x="if(a(P3,P2,P)&lt;180,x(P2),x(P3))" actx="0.7228408399411335" y="if(a(P3,P2,P)&lt;180,y(P2),y(P3))" acty="-4.148931912413665" shape="circle" fixed="true">Point à &quot;if(a(C,A,B)&lt;180,x(A),x(C))&quot;, &quot;if(a(C,A,B)&lt;180,y(A),y(C))&quot; </Point>
<Point name="P23" n="660" type="thick" hidden="super" showname="true" bold="true" large="true" x="if(a(P3,P2,P)&lt;180,x(P3),x(P2))" actx="2.979143520318564" y="if(a(P3,P2,P)&lt;180,y(P3),y(P2))" acty="1.6522357218209853" shape="diamond" fixed="true">Point à &quot;if(a(C,A,B)&lt;180,x(C),x(A))&quot;, &quot;if(a(C,A,B)&lt;180,y(C),y(A))&quot; </Point>
<Ray name="r11" n="697" color="2" type="thin" from="P11" to="P">Semiretta da P11 puntando a P</Ray>
<Point name="P24" n="661" hidden="super" x="(x(P)^2*y(P22)-x(P)^2*y(P23)+y(P22)^2*y(P23)-y(P22)^2*y(P)-y(P22)*y(P23)^2+y(P22)*y(P)^2-y(P22)*x(P23)^2+y(P23)^2*y(P)-y(P23)*y(P)^2+y(P23)*x(P22)^2+y(P)*x(P23)^2-y(P)*x(P22)^2)/(2*x(P)*y(P22)+(-(2*x(P)))*y(P23)+(-(2*y(P22)))*x(P23)+2*y(P23)*x(P22)+2*y(P)*x(P23)+(-(2*y(P)))*x(P22))" actx="1.0388389916056415" y="(-x(P)^2*x(P22)+x(P)^2*x(P23)+x(P)*x(P22)^2-x(P)*x(P23)^2+x(P)*y(P22)^2-x(P)*y(P23)^2-x(P22)^2*x(P23)+x(P22)*x(P23)^2+x(P22)*y(P23)^2-x(P22)*y(P)^2-x(P23)*y(P22)^2+x(P23)*y(P)^2)/(2*x(P)*y(P22)+(-(2*x(P)))*y(P23)+2*x(P22)*y(P23)+(-(2*x(P22)))*y(P)+(-(2*x(P23)))*y(P22)+2*x(P23)*y(P))" acty="-0.9324697184450556" fixed="true">Point à &quot;(x(B)^2*y(P4)-x(B)^2*y(P5)+y(P4)^2*y(P5)-y(P4)^2*y(B)-y(P4)*y(P5)^2+y(P4)*y(B)^2-y(P4)*x(P5)^2+y(P5)^2*y(B)-y(P5)*y(B)^2+y(P5)*x(P4)^2+y(B)*x(P5)^2-y(B)*x(P4)^2)/(2*x(B)*y(P4)+(-(2*x(B)))*y(P5)+(-(2*y(P4)))*x(P5)+2*y(P5)*x(P4)+2*y(B)*x(P5)+(-(2*y(B)))*x(P4))&quot;, &quot;(-x(B)^2*x(P4)+x(B)^2*x(P5)+x(B)*x(P4)^2-x(B)*x(P5)^2+x(B)*y(P4)^2-x(B)*y(P5)^2-x(P4)^2*x(P5)+x(P4)*x(P5)^2+x(P4)*y(P5)^2-x(P4)*y(B)^2-x(P5)*y(P4)^2+x(P5)*y(B)^2)/(2*x(B)*y(P4)+(-(2*x(B)))*y(P5)+2*x(P4)*y(P5)+(-(2*x(P4)))*y(B)+(-(2*x(P5)))*y(P4)+2*x(P5)*y(B))&quot; </Point>
<Plumb name="p3" n="700" color="2" type="thin" point="P" line="r11" valid="true">Retta perpendicolare per P a r11</Plumb>
<Circle name="HC" n="662" color="5" type="thick" showname="true" through="P22" midpoint="P24" start="P23" end="P22">Circonferenza di centro P24 per P22</Circle>
<PointOn name="P27" n="703" color="2" type="thin" on="p3" alpha="10.064889748723015" x="4.385237697241658" y="-6.889878307426889" shape="circle">Punto su p3</PointOn>
<Angle name="a7" n="704" color="1" xcoffset="0.23025188108477865" ycoffset="-0.2810255912347315" unit="°" first="P11" root="P" second="P27" display="small" filled="true" acute="true">Angolo P11 - P - P27</Angle>
<Ray name="r4" n="328" color="2" type="thin" from="P1" to="P17">Semiretta da P1 puntando a P17</Ray>
<Intersection name="P18" n="329" color="4" type="thin" hidden="true" first="r4" second="c1" shape="circle" which="second">Intersezione tra r4 e c1</Intersection>
<Point name="P19" n="410" type="thick" hidden="super" showname="true" bold="true" large="true" x="if(a(P,Q,P18)&lt;180,x(Q),x(P))" actx="1.3042609370095848" y="if(a(P,Q,P18)&lt;180,y(Q),y(P))" acty="-0.036445054315230596" shape="circle" fixed="true">Point à &quot;if(a(C,A,B)&lt;180,x(A),x(C))&quot;, &quot;if(a(C,A,B)&lt;180,y(A),y(C))&quot; </Point>
<Point name="P20" n="411" type="thick" hidden="super" showname="true" bold="true" large="true" x="if(a(P,Q,P18)&lt;180,x(P),x(Q))" actx="-0.543990769442031" y="if(a(P,Q,P18)&lt;180,y(P),y(Q))" acty="1.885354588467374" shape="diamond" fixed="true">Point à &quot;if(a(C,A,B)&lt;180,x(C),x(A))&quot;, &quot;if(a(C,A,B)&lt;180,y(C),y(A))&quot; </Point>
<Point name="P21" n="412" hidden="super" x="(x(P18)^2*y(P19)-x(P18)^2*y(P20)+y(P19)^2*y(P20)-y(P19)^2*y(P18)-y(P19)*y(P20)^2+y(P19)*y(P18)^2-y(P19)*x(P20)^2+y(P20)^2*y(P18)-y(P20)*y(P18)^2+y(P20)*x(P19)^2+y(P18)*x(P20)^2-y(P18)*x(P19)^2)/(2*x(P18)*y(P19)+(-(2*x(P18)))*y(P20)+(-(2*y(P19)))*x(P20)+2*y(P20)*x(P19)+2*y(P18)*x(P20)+(-(2*y(P18)))*x(P19))" actx="4.080051389268609" y="(-x(P18)^2*x(P19)+x(P18)^2*x(P20)+x(P18)*x(P19)^2-x(P18)*x(P20)^2+x(P18)*y(P19)^2-x(P18)*y(P20)^2-x(P19)^2*x(P20)+x(P19)*x(P20)^2+x(P19)*y(P20)^2-x(P19)*y(P18)^2-x(P20)*y(P19)^2+x(P20)*y(P18)^2)/(2*x(P18)*y(P19)+(-(2*x(P18)))*y(P20)+2*x(P19)*y(P20)+(-(2*x(P19)))*y(P18)+(-(2*x(P20)))*y(P19)+2*x(P20)*y(P18))" acty="4.482773997190561" fixed="true">Point à &quot;(x(B)^2*y(P4)-x(B)^2*y(P5)+y(P4)^2*y(P5)-y(P4)^2*y(B)-y(P4)*y(P5)^2+y(P4)*y(B)^2-y(P4)*x(P5)^2+y(P5)^2*y(B)-y(P5)*y(B)^2+y(P5)*x(P4)^2+y(B)*x(P5)^2-y(B)*x(P4)^2)/(2*x(B)*y(P4)+(-(2*x(B)))*y(P5)+(-(2*y(P4)))*x(P5)+2*y(P5)*x(P4)+2*y(B)*x(P5)+(-(2*y(B)))*x(P4))&quot;, &quot;(-x(B)^2*x(P4)+x(B)^2*x(P5)+x(B)*x(P4)^2-x(B)*x(P5)^2+x(B)*y(P4)^2-x(B)*y(P5)^2-x(P4)^2*x(P5)+x(P4)*x(P5)^2+x(P4)*y(P5)^2-x(P4)*y(B)^2-x(P5)*y(P4)^2+x(P5)*y(B)^2)/(2*x(B)*y(P4)+(-(2*x(B)))*y(P5)+2*x(P4)*y(P5)+(-(2*x(P4)))*y(B)+(-(2*x(P5)))*y(P4)+2*x(P5)*y(B))&quot; </Point>
<Circle name="radii" n="413" color="1" type="thick" showname="true" through="P19" midpoint="P21" start="P20" end="P19">Circonferenza di centro P21 per P19</Circle>
</Objects>
</Construction>
</CaR>