A circle with a red and a green tangent. The two tangency points are shown. Prove that the blue and red line segments are parallel.
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Solution

A circle with a red and a green tangent. The two tangency points are shown. Prove that the blue and red line segments are parallel.
Scroll down for a solution to this problem.
A circle with a red and a green tangent. The two tangency points are shown. Prove that the blue and red line segments are parallel. https://t.co/ubxHGqrpZx Inspired by Di Pasquale. pic.twitter.com/e1TxvY7FRA
— Mirangu (@Mirangu1) February 8, 2023