A circle has a radius of 8 cm, to the nearest cm.
Work out the lower bound for the circumference of the circle.
Give your answer in terms of π\piπ.
Work out the upper bound for the area of the circle.
Give your answer in terms of π\piπ.
52 exam-style questions on OCR GCSE Maths Bounds. Each one has a worked solution and a mark scheme showing where the marks go.