Question

two angles have a sum of 180° if the measure of the first angle is 35.7° find the measure of the second angle

Answer 1

x =144.3

Explanation:

Let x be the unknown angle

The two angles add to 180

x+35.7 = 180

Subtract 25.7 from each side

x+35.7 -35.7 = 180-35.7

x =144.3