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The Cosine Rule

The Cosine Rule

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Question 32

A triangle with side lengths 21 cm, 13 cm, and 24 cm. The angle between the 21 cm and 13 cm sides is labeled x°.

A triangle is shown with side lengths 21 cm, 13 cm, and 24 cm. The angle between the 21 cm and 13 cm sides is labeled x∘x^\circx∘.

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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