Question

PLEASE HELP!!

Solve for measure of angle a.
a = [?]°

Answer 1

∠ a = 125°

Explanation:

the measure of chord- chord angle a is half the sum of the measures of the arcs intercepted by the angle and its vertical angle, that is

∠ a =
`(117+133)/(2)` =
`(250)/(2)` = 125°