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O-LevelMathematicsMensuration4024/11 · Oct/Nov 2010 · Q153 Marks

The diagram shows a sector of a circle, centre O. The radius of the circle is 9 cm and the sector angle is 100°. Taking the value of π to be 3.14, calculate

  1. (a)the length of the arc AB,[2]
  2. (b)the perimeter of the sector.[1]

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About this question

Topic
Mensuration, O-Level Mathematics (syllabus 4024). Structured question, 3 marks.
Source
O-Level Mathematics, Oct/Nov 2010 Paper 1 Variant 1, question 15.

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