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Finding the Area of Any Triangle

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Question 8

A triangle with vertices A, B, and C. Vertex A is at the top, C is at the bottom left, and B is at the bottom right. The interior angle at vertex C is labeled 30°.

The ratio of the length BC BC\,BC to the length AC AC\,AC is 4:1. Let the length AC AC\,AC be x x\,x cm. The area of the triangle is 25cm2.

Work out the value of xxx.

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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