Question

Back at it again, no idea what I'm doing. Someone please help and explain ​

Answer 1

Given:-

• Height of Cylinder = 21ft.
• Radius of Cylinder = 7ft.

To Find :-

• Surface area of Cylinder

Solution :-

• Formula for finding surface area of Cylinder = 2πr(r+h)

Putting the known values ,

Surface Area = 2×3.14×7(7+21) ft.²

= 1230.88 ft.²