Question

X
In the given figure find
the value of​

Answer 1

Step-by-step explanation:

ANSWER

We know that the angle inscribed at the centre of the circle by an arc is twice the angle subtended at the circumference by the same arc.

∠AOB is the angle at the center and ∠ACB is the angle at the circumference.

∴∠ACB=

2

1

∠AOB=

2

1

(123

o

)=63

o