Question

an angle is equal to twice of its supplement then angle is 60 90 120 150​

Answer 1

Step-by-step explanation:

120° as , 120° is double of its supplement 60°.

Equation. (let x be the angle / supplement) x + 2x = 180°

3x=180°

x= 60°

thus, 2x = 120° which is double 60°

Answer 2

Step-by-step explanation:

the answer is 120 mark me as brainlist