Question

An angle is two-third of its supplement. The measure of the angle is: select one:

Answer 1

Answer:

72°

Step-by-step explanation:

∝ = 2/3( 180 -∝)

( 180 -∝) = 3∝/2

180 = 5∝/2

∝ = 180 x 0.4 = 72°