Q143
Two chords AB and CD of a circle with centre O intersect at P. If ∠APC = 40°. Then the value of ∠AOC + ∠BOD is
A.
50°
B.
60°
C.
80°
AnswerD.
120°
Answer: Option C
Solution
Answer: Option C
Solution:
x + y = 40°
2x + 2y = 80°
∠AOC + ∠BOD = 80°