Mathematics 0580 · IGCSE · Circles, arcs and sectors

Circles, arcs and sectors — practice question

A car moves at a steady speed of 45 kilometres per hour for 5 minutes. The radius of each wheel on the car is 25 centimetres.

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Calculate the number of complete revolutions made by a wheel in the 5 minutes.

Worked solution & mark scheme

This 5-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Method: applies circumference $2\pi r$ with $r=25$.” …

Full mark scheme, point by point
Step-by-step worked solution
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