Question

Solve the question number 12

Answer 1

Given,AOC +BOD=90°

AOC+BOD+COD=180°( straight Angle)
or,90°+COD=180°
or,COD=180°-90°
or,COD=90°

Answer 2

Angle aoc +bod = 90°

Angle cod +aoc +bod =180°

cod + 90°=180°

cod =180°-90°

cod =90°