Answer:
All side lengths are 11 because it is a square and all of the sides are equal. But I'm not sure about the angles
Answer:
Definitely A
Step-by-step explanation:
When multiplying you add exponents.

Answer:
r = -14
Step-by-step explanation:
3 = r + 17
r + 17 = 3
r + 17 - 17 = 3 - 17
r = -14
It should be 90 degrees clockwise