Mathematics 0580 · IGCSE · Limits of accuracy

Limits of accuracy — practice question

An equilateral triangle has each side measuring 15 cm, to the nearest centimetre.
(main)[1]

Calculate the upper bound of the perimeter of this triangle.

Worked solution & mark scheme

This 1-mark question has a full step-by-step worked solution and mark scheme. One marking point: “The upper bound is $46.5$.” …

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