Question

Find the angle which is equal to its supplementary angle.​

Answer 1

Answer:

90° is the answer

because supplementary angle of 90°is 180-90=90

Answer 2

Answer:

let the angle be x

supplementary angle= (180-x)

so,

x=180-x

2x=180

x=90

90° is answer.

hope this helps you ☺️