Question

If two supplementary angles are in the ratio 1:2,then bigger angle is
A)150 degree
B)120 degree
C)60 degree
D)180 degree
Give reason

Answer 1

Step-by-step explanation:

Supplementary angle = 180°

let Angle x

x + 2x = 180

3x = 180

x = 60

Hence bigger no. is 2x = 2 × 60 = 120°