Mathematics 0580 · IGCSE · Surface area and volume

Surface area and volume — practice question

The net of a square-based pyramid is shown in the diagram. NOT TO SCALE. Each triangular face has a perpendicular height of 4 cm. The square base has side length 5 cm.
(a)[2]

Find the surface area of the pyramid.

(b)[1]

State the number of edges on the square-based pyramid.

Worked solution & mark scheme

This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: “$4 \times \frac{1}{2} \times 5 \times 4 + 5 \times 5$ ” …

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