Sec 3/4 E Math Mock 1-Q21 - Mock Paper 1: Arc length and area of a sector

Sec 3/4 E Math Mock 1-Q21 - Mock Paper 1: Arc length and area of a sector

Secondary 3
5 marks
Original parallel to Sec3&4 E Math FA

A sector of a circle has radius \(11\) cm and angle \(2\) radians.

  1. Calculate the length of the arc.[3]
  2. Calculate the area of the sector, giving each answer correct to 3 significant figures.[2]

Solution:

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Answer:(a) \(22\) cm; (b) \(121\,\text{cm}^2\).

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