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Finding the Area of Any Triangle

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Question 13

In triangle PQRPQRPQR, the side PQ=20 cmPQ = 20\text{ cm}PQ=20 cm, the side PR=25 cmPR = 25\text{ cm}PR=25 cm and angle QPR=40∘QPR = 40^\circQPR=40∘.

Work out the area of the triangle PQRPQRPQR. Give your answer to 3 significant figures.

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Finding the Area of Any Triangle Questions

  1. GCSE
  2. /Maths
  3. /Finding the Area of Any Triangle

Practise Edexcel GCSE Maths Finding the Area of Any Triangle with exam-style questions for Foundation and Higher tier. 42 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.

Question bank

Surds
Bounds
Direct and Inverse Proportion
Quadratic Formula
Factorising Harder Quadratics
Algebraic Fractions
Rearranging Harder Formulae
Trigonometric and Exponential Graphs
Inverse and Composite Functions
Iteration
Finding the Area of Any Triangle
The Sine Rule
The Cosine Rule
Congruent Triangles
3d Pythagoras and Trigonometry
Histograms
Conditional Probability