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The Cosine Rule

The Cosine Rule

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Question 10

A triangle is shown with two sides of lengths 15 m and 9 m. The angle between these two sides is 110∘110^\circ110∘. The third side of the triangle is labeled x x\,x m.

Triangle with sides labelled 15 m, 9 m and x m, with an included angle of 110 degrees between the 15 m and 9 m sides.

Work out the value of xxx.
Give your answer to 1 decimal place.

[3]
Markscheme

The Cosine Rule Questions

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

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

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