Thread: Deductive Geometry - Cyclic Quadrilaterals Help

Hi, here is the question and diagram.



I know that OECD is a cyclic quadrilateral, but I'm not sure how to work from there.

Thanks for helping, BG

Originally Posted by BG5965

Hi, here is the question and diagram.



I know that OECD is a cyclic quadrilateral, but I'm not sure how to work from there.

Thanks for helping, BG

as is equilateral

This implies that since and .

CB