Question

A covered water tank is in the shape of a cylinder. The tank has a 28-inch diameter and a height of 66 inches. To the nearest square inch, what is the surface area of the water tank?

Answer 1

$A = 2 \pi rh + 2 \pi r ^{2}$
$r = \frac{1}{2} (28) = 14$
$A = 7037.17$

Answer 2

Answer:

7038  square inches

Step-by-step explanation:

Formula for Surface area is given by = $2\pi r h + 2\pi r^2$

             here radius (r) = 14 inches

                     height (h) = 66 inches

   Surface area = $2\pi (14) (66) + 2\pi (14)^2$

                         = 5806+2(616)

                          = 5806+1232

                          = 7038 square inches