Question

Answer
A)75
B)65
C)60
D)70

Answer 1

Let's denote O as center of circle.

=> Two isosceles triangles AOB and EOF are congruent (SSS).

Because AO = BO = EO = FO = radius of circle O, AB = EF = 8

=> Arc AB = AOB = EOF = Arc EF = 65 deg.

Hope this helps!

:)

Answer 2

the answer is C your welcome!!!!

Explanation: