Mathematics 0580 · IGCSE · Pythagoras' theorem

Pythagoras' theorem — practice question

The figure depicts a right-angled triangle $ABC$, with $AB = 8$ cm, $AC = 18$ cm, and the right angle at $B$.
(main)[3]

Calculate the length of $BC$.

Worked solution & mark scheme

This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Method used: $\sqrt{18^2 - 8^2}$” …

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