In the given square ABCD, a line segment DE cuts the side BC at E and the diagonal AC at O such that ∠ COD=120∘. Find the measure of ∠ OEC.

In the given square ABCD, a line segment DE cuts the side BC at E and

1.	In the given square ABCD, a line segment DE cuts the side BC at E and the diagonal AC at O such that ∠ COD=120∘. Find the measure of ∠ OEC.
Answer» In the given square ABCD, a line segment DE cuts the side BC at E and the diagonal AC at O such that $∠ C O D = 120^{\circ} .$ Find the measure of $∠ O E C .$