Year 10
Core
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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.
Licence
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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