Answer:
One angle is 144° and the other is 36°
Step-by-step explanation:
Two angles of a linear pair create a straight angle therefore they add to 180°
x° - the other angle
(4x)° - one angle
x + 4x = 180
5x = 180
÷5 ÷5
x = 36
4x = 4•36 = 144
Checking: 36+144 = 180
