Question

the measure of an angle which is 5 times it's supplement is
a. 30°
b. 60°
c. 120°
d. 150° ​

Answer 1

Answer:

Let the angle be x

Supplement angle = (180°-x)

A.T.Q

x= 5(180°-x)

x= 900°-5x

x+5x=900°

6x=900°

x=900/6

x= 150°