Question

what is the surface area of sphere with diameter 23ft

Answer 1

As=4pir r ^2 r= radius

answer 615.75 sq un

Answer 2

SA(sphere) = 4 * pi * r^2
SA = 4 * pi * (23/2)^2
SA = 1661.1 ft^2

23/2 represents the radius. R = D/2