Question

angleACB is inscribed in arc ACB of a circle with centre O angle ACB=65, find m(arcACB)

Answer 1

m(arcACB) = 230 is the correct answer.

Answer 2

Here, angle ACB= 65°

By inscribed angle theorem,

m(arc ACB)= 2angleACB

= 2×65

= 130°

Therefore the m(arc ACB) is 130°