Q. 365.0( 2 Votes )

# In the given figu

Given: AOB = 140°

Here,

(Exterior AOB) = 360° – (interior AOB)

(Exterior AOB) = 360° – 140°

(Exterior AOB) = 220°

We know that,

(Exterior AOB) = 2 × ACB

220° = 2 × ACB

ACB = = 110°

ACB = 110°

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