Question

Find the supplementary angle of 120°.

Answer 1

Step-by-step explanation:

Given:-

• angle = 120°

To Find:-

• supplement

Solution:-

• let the other angle be x
• sum of supplementary angles = 180°
• so 120+x=180°
• x=180-120°
• x=60°

verification:-

• let's put 60 in the place of x
• 120+60=180
• 180=180
• hence proved x=180

hope this helps you.!!

Answer 2

If the sum of two angles is 180 degrees then they are said to be supplementary angle

Supplement of 120° = (180-120)° = 60°

So the supplement of 120° is 30°