Answer:
C
Step-by-step explanation:
FORMULA IS .

r = 22/2=11
h=22
43 I added and multiplied everything I’m sure
I wish I could help you but Im doing this so i can ask sum
Answer:
x^2 + (y+1)^2 = 10^2
Step-by-step explanation:
Centre (p,q) = (0, -1)
radius, r = 10
General Equation of a circle
(x-p)^2 + (y-q)^2 = r^2
(x-0)^2 + (y- -1)^2 = 10^2
x^2 + (y+1)^2 = 10^2