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The Cosine Rule

The Cosine Rule

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Question 30

Triangle ABC with side AC = 5.3 m, side BC = 6.2 m, angle C = 43 degrees, and side AB = x m.

A triangle with vertices A, B, and C. The side AC is labeled 5.3 m. The side BC is labeled 6.2 m. The interior angle at vertex C is labeled 43∘43^\circ43∘. The side AB is labeled x x\,x m.

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 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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