Angle acb is inscribed in arc ACB of a circle . if angle ACB is 65 then , find m(arc ACB)
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Given : Angle acb is inscribed in arc ACB of a circle
∠ACB = 65°
To Find : m(arc ACB)
Solution:
∠AOB = 2 ∠ACB
∠ACB = 65°
=> ∠AOB = 2 (65)
=> ∠AOB = 130°
m(arc ACB) = 360° - ∠AOB
=> m(arc ACB) = 360° - 130°
=> m(arc ACB) = 230°
m(arc ACB) = 230°
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