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Estimating

Estimating

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Question 46

A circle has a radius of 21 metres.

a.

Work out an estimate for the area of the circle.

[3]
b.

Hence, work out an estimate for the area of a semicircle with the same radius.

[1]
c.

Is your answer to part (a) an underestimate or an overestimate? Give a reason for your answer.

[1]
Markscheme

Estimating Questions

  1. GCSE
  2. /Maths
  3. /Estimating

247 exam-style questions on Eduqas GCSE Maths Estimating. Each one has a worked solution and a mark scheme showing where the marks go.

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