When you circumscribe a polygon around a circle, the tangent segments from a point to the circle are always congruent. Move the blue points of tangency (but don't cross them over one another). Observe which lengths are equal and remain equal!
When you circumscribe a polygon around a circle, the tangent segments from a point to the circle are always congruent. Move the blue points of tangency (but don't cross them over one another). Observe which lengths are equal and remain equal!