AQA · Mathematics · 8300
GCSE Maths: Surface area: sphere
Geometry & Measures · AQA GCSE Maths (8300). Cards are generated from the Corbettmaths practice questions for Surface area: sphere (Corbettmaths Video 313), and every card links back to the exact page it came from. Practice tests are drawn from this deck’s own cards. Source material © Corbettmaths — used with attribution.
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The formula for the surface area of a sphere with radius r is ?
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4πr²
A sphere has radius 8 cm. What is its surface area to 1 decimal place?
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804.2 cm² (using the formula 4πr²)
If a sphere has a diameter of 10 cm, what is its radius?
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5 cm (radius = diameter ÷ 2)
A sphere has radius 4 cm. What is its surface area to 1 decimal place?
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201.1 cm² (using 4πr²)
A sphere has radius 6 cm. What is its surface area in terms of π?
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144π cm²
A sphere has diameter 18 cm. What is its surface area in terms of π?
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324π cm² (radius = 9 cm, then 4π(9)² = 324π)
A sphere has radius 45 cm. What is its surface area to 1 decimal place?
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25446.9 cm²
A sphere has radius 0.3 cm. What is its surface area to 1 decimal place?
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1.1 cm²
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