Sec 3/4 E Math T08-Q19 - Arc length and area of a sector

Sec 3/4 E Math T08-Q19 - Arc length and area of a sector

Secondary 3
Original parallel to Sec3&4 E Math FA

A sector of a circle has radius \(10\) cm and angle \(1.2\) radians.

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

Solution:

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Answer:(a) \(12\) cm; (b) \(60\,\text{cm}^2\).

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