4MA1/2H Jan 2023, Question 10: Pythagoras' Theorem
Pearson Edexcel International GCSE Mathematics A 4MA1 · Paper 2H (Higher) · Calculator · 5 marks
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The question, in short
An isosceles triangle has base 24 cm and perimeter 54 cm. Work out its area.
Summarised in our own words. Use the official paper for the exact wording and the diagram.
Solution · 5 marks
- 154 − 24 = 30
- 230 ÷ 2 = 15
- 315² − 12² = 225 − 144 = 81
- 4√81 = 9
- 50.5 × 24 × 9 = 108
Answer108
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