Mathematics 0580 · IGCSE · Limits of accuracy

Limits of accuracy — practice question

$A = \frac{b \times h}{2}$. Taking $A = 10$, rounded to the nearest whole number, and $h = 4$, also rounded to the nearest whole number.
(main)[3]

Calculate the upper bound for the value of $b$.

Worked solution & mark scheme

This 3-mark question has a full step-by-step worked solution and mark scheme. One marking point: Rearranged relation: $b=\frac{2A}{h}$

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