Answer:
54°
Step-by-step explanation:
Your triangle is isosceles. You have been given the third angle, and you have been asked to find the measure of one of the two equal angles. We know that the internal angles of a triangle sum to 180, so 
The answer you are looking for is C
A ratio is the quantitative relation between two amounts showing the number of times one value contains or is contained within the other.
Please mark as brainliest if this helped
≈ 30.43 , lmk if u need an explanation