A circle has a radius of 12 cm, measured 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 Edexcel GCSE Maths Bounds. Each one has a worked solution and a mark scheme showing where the marks go.