The Cosine Rule
9
Medium
0/5

A triangular garden plot is designed with the following dimensions:

  • The left side has length (x+1)(x + 1)(x+1) metres.
  • The right side has length 19 \sqrt{19}\,19​ metres.
  • The base has length (2x+1)(2x + 1)(2x+1) metres.
  • The interior angle between the left side and the base is 60∘60^\circ60∘.

Work out the value of xxx.

[5]

The Cosine Rule Questions

Practise Edexcel GCSE Maths The Cosine Rule with exam-style questions for Foundation and Higher tier. 44 questions, matched to the Edexcel GCSE Maths (1MA1) specification and written in Paper 1, Paper 2 and Paper 3 style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.

PreviousNext

The Cosine Rule Questions

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