Answer:
As it can be seen in the attachment below,making C the correct answer hope it helped
Step-by-step explanation:
Answer: 120
Step-by-step explanation:

explanation down below↓
A. 3272.4
b.349.92
c. 198.432
d. 194.688
Answer:
60degrees
Step-by-step explanation:
For similar triangles, the angles of their angles are equal to matter the size.
Hence if triangle TRS is similar to triangle TMN, then;
<R = <M and <S = <N
Given that;
<T = 40 degrees
<R = 60degrees
<S = 80 degrees
Since <R = <M, then <M = 60degrees