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The Cosine Rule

The Cosine Rule

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Question 6

A map shows three landmarks forming a triangle. The distances between the landmarks are 6 km, 9 km, and 5 km. The angle between the 6 km and 9 km sides is x∘x^\circx∘.

Map diagram of three landmarks joined in a triangle, with sides 6 km, 9 km and 5 km, and the included angle between the 6 km and 9 km sides labelled x degrees.

Work out the value of xxx.
Give your answer to 3 significant figures.

[3]
Markscheme

The Cosine Rule Questions

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

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

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