Question

Please helpme with this

Answer 1

108 pi ft^2

Explanation:

r=1/2d=6 ft

SA = 3pir^2= 3pi(6 ft)^2=108pi ft^2

Answer 2

Explanation:

Diameter =12 ft

i.e 2r=12

or, r=12/2 =6ft

SA =3πr²

=3(6)²π ft²

=3×36π ft²

=108π ft²