Year 10
Core
Surface area of a cylinder
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Lesson details
Key learning points
- In this lesson, we will calculate the surface area of a cylinder to 3 significant figures. We will learn the appropriate formula for this calculation and practise finding the surface area when provided with the radius or diameter, and the length of the cylinder.
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3 Questions
Q1.
Work out the radius of the cylinder. Give your answer to 1 decimal place.
3 cm
3.4 cm
6 cm
Q2.
Work out the diameter of the cylinder. Give your answer to 1 decimal place.
4.4 m
7.7 m
8.7 m
Q3.
Work out the radius of the half cylinder.
1.6 cm
3.3 cm
4.6 cm
3 Questions
Q1.
Calculate the surface area of the cylinder. Give your answer in terms of π
(25π + 45) cm²
(50π + 45) cm²
115π cm²
Q2.
Calculate the surface area of the cylinder. Give your answer to 1 decimal place
1583.4 cm²
2601.2 cm²
820.0 cm²
Q3.
Calculate the surface area of the half cylinder. Give your answer to 1 decimal place
113.1 cm²
226.2 cm²
282.2 cm²