Mathematics 0580 · IGCSE · Surface area and volume

Surface area and volume — practice question

The diagram shows a solid pyramid on a square horizontal base $ABCD$ (not drawn to scale). The diagonals $AC$ and $BD$ meet at $M$. $P$ is directly above $M$. $AB = 20$ cm and $PM = 8$ cm.
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Calculate the pyramid's total surface area.

Worked solution & mark scheme

This 5-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Correct application of Pythagoras $\sqrt{8^2+10^2}$” …

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