Answer:
..OA=OC because these are the radii of the circle with center O
A parallelogram that has two consecutive equal sides is a rhombus.
AOCD is a diamond; Its consecutive angles are supplementary, the sum of their measures is 180 degrees.
A∠DC+D∠CO =180°
D∠CO=180-118=62°
D∠CO and ∠x are additional
x =180-62=118°
Explanation: