In figure, if ZOAB = 40°, then ZACB is equal to
Answers
Answered by
5
Answer:
Step-by-step explanation:
OA=OB (Radii of same circle)
∠OBA=∠OAB=40
∘
In Triangle OAB by Angle Sum Property of Triangle ;
∠AOB+∠OBA+∠OAB=180
∘
∠AOB=180
∘
−40
∘
−40
∘
=100
∘
We know 2.∠ACB=∠AOB
therefore
∠ACB=
2
100
∘
∠ACB=50
∘
So, option A is the answer.
arav4991:
nice
Similar questions