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O-LevelMathematicsMensuration4024/22 · May/June 2017 · Q812 Marks

ABCDE is the cross-section of a building. All the lengths are given in metres. [Figure of building cross-section]

(a)Calculate DC.[3]
(b)Calculate angle EAB.[3]
(c)Calculate the area of the cross-section.[4]
(d)A model of the building is made using the scale 1:50. What is the area of the cross-section of the model? Give your answer in square centimetres.[2]

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About this question

Topic: Mensuration, O-Level Mathematics (syllabus 4024). Structured question, 12 marks.
Source: O-Level Mathematics, May/June 2017 Paper 2 Variant 2, question 8.

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