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Bounds

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Question 12

A circular coaster has a radius of 4.28 cm, correct to 2 decimal places.

a.

Work out the lower bound for the circumference of the coaster.

Give your answer to 2 decimal places.

[2]
b.

Work out the upper bound for the area of the coaster.

Give your answer to 3 significant figures.

[2]
Markscheme

Bounds Questions

  1. GCSE
  2. /Maths
  3. /Bounds

52 exam-style questions on AQA GCSE Maths Bounds. Each one has a worked solution and a mark scheme showing where the marks go.

Question bank