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The surface area of a sphere

Quiz by Oak National Academy: GCSE Maths Higher (2)

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6 questions
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  • Q1
    Which of these 3D shapes is a sphere?
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    30s
  • Q2
    Complete the formula for the surface area of a sphere, with a radius of r: surface area = ______\pi r^2.
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    30s
  • Q3
    Match each sphere to its surface area.
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    30s
  • Q4
    A sphere has a surface area of 196𝜋 m². The radius of the sphere is ______ m.
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    30s
  • Q5
    The radius of this hemisphere is 6 cm. Work out the total surface area of the hemisphere. Give your answer correct to 3 significant figures.
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    226 cm²
    452 cm²
    565 cm²
    339 cm²
    30s
  • Q6
    The total surface area of this hemisphere is 192𝜋 cm². The radius of the hemisphere is ______ cm.
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    30s

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