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O-LevelMathematicsMensuration4024/11 · Oct/Nov 2015 · Q22 Marks

ABCD is a quadrilateral with BC parallel to AD. CD is perpendicular to BC. BC = 5 cm and AD = 12 cm. The area of triangle BCD is 20cm². [Figure with quadrilateral ABCD, showing BC=5, AD=12, and a right angle at C.]

  1. (a)Find CD.[1]
  2. (b)Find the area of triangle ABD.[1]

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Mark scheme

Marking points from the official mark scheme (Oct/Nov 2015). The mark or mark type is shown in brackets.

  1. [1] (a) 8
  2. [1] (b) 48; or FT 6 × their(a)

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About this question

Topic
Mensuration, O-Level Mathematics (syllabus 4024). Structured question, 2 marks.
Source
O-Level Mathematics, Oct/Nov 2015 Paper 1 Variant 1, question 2.

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