Question

if two supplementary angles are equal to each other then one third of first angle measures ?​

Answer 1

Answer:

30 degree

Step-by-step explanation:

Sum of two supplementary angles=180

if they are equal then , each of them have measure angle 90.

one third of 90 =1/3×90=30

Answer 2

Answer:

90°

Step-by-step explanation:

The sum of 2 supplementary angles is = 180 so we have to find the measure of first angle...180°- x° = 2°..

x = 180°÷2° = 90°....

so the measure of first angle is 90¤