Let $ABC$ be a triangle and call $A'$ the intersection of the circumcircle and the line through $A$ parallel to BC. Define $B'$, $C'$ cyclically. We call $A'B'C'$ the parallel-side projected triangle and study some of their properties.
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Let $ABC$ be a triangle and call $A'$ the intersection of the circumcircle and the line through $A$ parallel to BC. Define $B'$, $C'$ cyclically. We call $A'B'C'$ the parallel-side projected triangle and study some of their properties.
