Mathematics 0580 · IGCSE · Limits of accuracy

Limits of accuracy — practice question

A rectangle has length 16 cm, rounded to the nearest centimetre. Its width is 14 cm, rounded to the nearest centimetre.
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Calculate the lower bound for the perimeter of the rectangle.

Worked solution & mark scheme

This 2-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Either $15.5$ or $13.5$ is shown” …

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