Question

What is the figure's surface area? (Use 3.14 for π .)



301.44 cm^2
320.28 cm^2
395.64 cm^2
452.12 cm^2

Answer 1

ANSWER

$320.28 {cm}^{2}$

EXPLANATION

The surface area of a cylinder is given by

$SA = 2\pi \: r(r + h)$

From the diagram, r=3cm and h =14cm.

We substitute the known values into the formula to get:

$SA = 2\pi \: 3(3+ 14)$

$SA = 2(3.14)\: 3(3+ 14)$

$SA =320.28 {cm}^{2}$

The second choice is correct.