Question

18. The measure of the supplement of the
angle 120° is
O (a) 30°
O (b)45°
O (c) 60°
O (d) 90°​

Answer 1

Answer:

(c) 60°

Step-by-step explanation:

let the number be 'x'

120+x=180

x=180-120

x=60

Answer 2

• What is supplement of the
• angle 120° ?

→ Required Supplement = 180° - 120° = 60°

Thus,

• Option (c) is correct answer.