Question

the measure of an angle is 63°. what is the measure of its supplement? 27° 37° 63° 117°

Explanation:

Step1: Recall supplement angle definition

Supplementary angles sum to $180^\circ$.

Step2: Calculate the supplement

Let $x$ = supplement. $x = 180^\circ - 63^\circ$

Answer:

D. $117^\circ$