Question

In circle Y, what is m1?

Answer 1

∠ 1 = 31°

Explanation:

the chord- chord angle 1 is half the sum of the measures of the arcs intercepted by the angle and its vertical angle, that is ∠ 2

∠ 1 =
`(1)/(2)` ( 37 + 25)° =
`(1)/(2)` × 62° = 31°