Question

16. A can in the shape of a cylinder has a diameter of 6 centimeters

and a height of 10 centimeters, which measurement is closest to
the total surface area of the can in square centimeters?

Answer 1

surface area = 245.04 cm² (nearest tenth)

Explanation:

Surface area of a closed cylinder =
`2\pi r^2+2\pi rh`

Given:

• diameter = 6 cm ⇒ radius = 3 cm
• height = 10 cm

⇒ surface area = 2 ×
`\pi` × 3² + 2 ×
`\pi` × 3 × 10

= 78
`\pi`

= 245.04 cm² (nearest tenth)