Answer:
63
Step-by-step explanation:
Y=94 (B) because of angle rules
Answer:
See below.
Step-by-step explanation:
It is parallel to the third side of the triangle. It is also half the length of that side.
SU would be the hypotenuse so you can use Pythagorean Theorem to solve this problem.
42^2 + 56^2 = c^2
1764 + 3136 = c^2
4900 = c^2
70 = c