<?xml version="1.0" encoding="utf-8"?>
<CaR>
<Construction>
<Window x="0.0" y="0.0" w="8.0"/>
<Windowdim w="713" h="456"/>
<Preferences minfontsize="22" 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="8" colorbackgroundy="7" colorbackgroundPal="4" fig3D="false" figDP="false"/>
<Objects>
<Point name="S" n="0" color="2" showname="true" x="-0.05992509363295895" y="-0.14981273408239648" shape="circle">Punto</Point>
<Point name="P2" n="1" color="2" type="thin" x="4.4344569288389515" y="-0.2397003745318349" shape="circle">Punto</Point>
<Circle name="C" n="4" color="4" showname="true" fixed="2.82" midpoint="P2" acute="true">Circonferenza di centro P2 e raggio 2.824277991136595</Circle>
<PointOn name="P3" n="5" color="2" type="thick" on="C" alpha="2.720173446701989" x="1.8611806337067889" y="0.9138372750101686" shape="circle">Punto su C</PointOn>
<Line name="l1" n="8" color="3" type="thin" from="P3" to="S">Retta per P3 e S</Line>
<PointOn name="P4" n="11" color="2" type="thick" on="l1" alpha="8.867548015011735" x="-5.896667566836859" y="-3.3814158136750896" shape="circle">Punto su l1</PointOn>
<Segment name="R" n="12" color="1" type="thick" showname="true" from="P3" to="P4">Segmento da P3 a P4</Segment>
<Track name="I" n="13" color="3" showname="true" point="P3" on="C" track="P4" dmin="0.0050">Traccia di P4 quando P3 varia su C</Track>
</Objects>
</Construction>
</CaR>