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Bounds

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Question 123

A circle has a radius of 5 cm, to the nearest cm.

a.

Verify that the lower bound for the circumference of the circle is 9π9\pi9π.

Give your answer in terms of π\piπ.

[2]
b.

Verify that the upper bound for the area of the circle is 30.25π30.25\pi30.25π.

Give your answer in terms of π\piπ.

[2]
Markscheme

Bounds Questions

  1. GCSE
  2. /Maths
  3. /Bounds

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

Question bank