Answer:
option d. vertical opposite angle
Answer:
radius = 15ft
diameter = 30ft
Step-by-step explanation:
I think the answer is possibly B or D
You can find the answer by plugging in any of the multiple choice options into a,
when you square a number (^2), the result is always positive even if the number starts off negative,
-25 or 125 wouldn't work for this equation because the answer is too big
but when you plug -5 or 5 in you get the right answer, so the answer is c
