Question

find the angle which is equal to its supplements ​

Answer 1

Let x be two equal angles of its supplement.

Therefore, x+x=180

o

[Supplementary angles]

⇒2x=180

0

⇒x=

2

180

o

=90

o

Thus, 90

o

is equal to its supplement.

Answer 2

$\huge\colorbox{pink}{Answer}$

Sum of supplementary angles = 180°

∴ x + x = 180°

2x = 180°

x = 180/2 = 90°