Question

Find the measure of the missing angle :D

Answer 1

48

Explanation:

42 + 90 + a = 180

132 + a = 180

a = 180 - 132

a = 48

the degree of a line is 180 so you would just have to the degrees that you already know in order to find the missing ones

Answer 2

A = 48

Explanation:

Hello!

42 + 90 + a = 180

180 - 42 - 90 = 48

So 48 is A