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The Sine Rule

The Sine Rule

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Question 4
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In triangle ABCABCABC, BC=18BC = 18BC=18 cm, AB=11AB = 11AB=11 cm, and angle ACB=25∘ACB = 25^\circACB=25∘.

Angle BAC BAC\,BAC is obtuse. Work out the size of angle BACBACBAC. Give your answer to 3 significant figures.

[4]
Markscheme

The Sine Rule Questions

  1. GCSE
  2. /Maths
  3. /The Sine Rule

36 exam-style questions on WJEC GCSE Maths The Sine Rule. Each one has a worked solution and a mark scheme showing where the marks go.

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