Answer:
r = sqrt(16/pi)
Step-by-step explanation:
Cylinder formula = r^2 x pi x height
176 pi/11pi = 16
16 = r^2 x pi
16/ pi = r^2
r = sqrt(16/pi)
The answer is A have a great day
H + 121 + 31 = 180
H + 152 = 180
H = 180 - 152
H = 28
This is because two angles are zero and top is a straight line, and a line is 180 degrees!
hopes this helps :)
