Question

An angle is equal to its supplement. What is its magnitude​

Answer 1

Step-by-step explanation:

let the unknown angle be x

supplementary means sum of two angles is 180

so, supplement of x is 180 -x

when we equate angle to its supplement. we get its magnitude

Answer 2

Step-by-step explanation:

Let the angle be x

Its supplement will be 180° - x

According to question,

x = 180° - x

2x = 180°

x = 90°