AQA · Mathematics · 8300

GCSE Maths: Surface area: mixture

Geometry & Measures · AQA GCSE Maths (8300). Cards are generated from the Corbettmaths textbook exercise for Surface area: mixture (Corbettmaths Video 309), 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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  1. How many faces does a cuboid have?

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    Six faces.

  2. How do you find the surface area of a cuboid?

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    Work out the area of all six faces and add them up.

  3. Why do opposite faces of a cuboid have the same area?

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    Opposite faces of a cuboid have identical dimensions (same length and width).

  4. What are the units for surface area when the dimensions are in centimeters?

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    Centimeters squared (cm²).

  5. A cuboid has dimensions 3 cm × 12 cm × 10 cm. What is the area of the front face if it is 3 cm high and 12 cm wide?

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    36 cm² (3 × 12 = 36).

  6. A cuboid has dimensions 3 cm × 12 cm × 10 cm. What is the total surface area?

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    372 cm² (front/back: 2×36, left/right: 2×30, top/bottom: 2×120).

  7. A cuboid has dimensions 2 cm × 3 cm × 3 cm. What is the area of the top face?

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    9 cm² (3 × 3 = 9). The top is a square.

  8. A cuboid has dimensions 2 cm × 3 cm × 3 cm. What is the total surface area?

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    42 cm² (front/back: 2×6, left/right: 2×6, top/bottom: 2×9).

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