please need help like really bad

Answer:
C
Step-by-step explanation:
Measurements) 90 degrees, 45, and 45, form the 3rd triangle shown
Answer:
C.
Step-by-step explanation:
90 degress is a right angle, and 45 degrees is half of that. Meaning that if there are two of the 45 degree angles, they should both be the same angle in the picture.