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Trigonometric Ratios

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Question 77

In triangle ABCABCABC, side AB AB\,AB has length 5cm, side BC BC\,BC has length 8cm and side AC AC\,AC has length 7cm.

The size of angle ABC ABC\,ABC is 60∘60^\circ60∘.

Find the area of triangle ABCABCABC.

[2]
Markscheme

Trigonometric Ratios Questions

  1. A Level
  2. /Maths
  3. /Trigonometric Ratios

217 exam-style questions on Edexcel A Level Maths Trigonometric Ratios, covering 9.1 The Cosine Rule, 9.2 The Sine Rule, 9.3 Areas of Triangles, 9.4 Solving Triangle Problems, 9.5 Graphs of Sine, Cosine and Tangent, and 9.6 Transforming Trigonometric Graphs. Each one has a worked solution and a mark scheme showing where the marks go.

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