On the circle
there are given three distinct points
. Construct (using only a straightedge and a compass) a fourth point
on
such that a circle can be inscribed in the quadrilateral thus obtained.
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On the circle $K$ there are given three distinct points $A,B,C$. Construct (using only a straightedge and a compass) a fourth point $D$ on $K$ such that a circle can be inscribed in the quadrilateral thus obtained.
Školjka