Answer:
15.00 inches
Explanation:
Recall the formula for the surface area of a sphere and a radius of r
A = 4πr²
In our case, we are given that A = 2826 ft² = 406944 in²
so,
406944 = 4πr²
r² = 406944 / (4π) (use π=3.142)
r² = 406944 / (4π) = 32383.57
r = √32383.57 = 179.95 in