NZ Level 5
Surface Area of Cylinders II

## Interactive practice questions

A cylindrical can of radius $7$7 cm and height $10$10 cm is open at one end. What is the external surface area of the can correct to two decimal places?

Easy
Approx 3 minutes

Find the exact surface area of a cylinder with diameter $6$6 cm and height $21$21 cm by leaving your answer in terms of $\pi$π.

Find the lateral surface area of a cylinder with a radius of $9.2$9.2 m and a height of $15.1$15.1 m. Give your answer to one decimal place.

Consider the following cylinder with a height of $35$35 cm and base radius of $10$10 cm. Find the surface area of the cylinder.

### Outcomes

#### GM5-3

Deduce and use formulae to find the perimeters and areas of polygons and the volumes of prisms