4MA1/2HR Jan 2020, Question 18: Chord Properties
Pearson Edexcel International GCSE Mathematics A 4MA1 · Paper 2HR (Higher) · Calculator · 2 marks
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The question, in short
Chords APB and CPD of a circle intersect at P, with AP = 9 cm, PB = 6 cm and CP = 8 cm. Calculate the length of PD.
Summarised in our own words. Use the official paper for the exact wording and the diagram.
Solution · 2 marks
- 19 × 6 = 8 × PD
- 254 = 8 × PD
- 3PD = 54 / 8
- 4PD = 6.75
Answer6.75
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