A radius from an arc length

A radius from an arc length

Secondary 3
4 marks
TGM Original Questions

A sector has angle \(1.6\) radians and arc length \(11.2\text{ cm}\).

  1. Calculate its radius.[2]
  2. Calculate its area.[2]

Solution:

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Answer:(a) \(7\text{ cm}\). (b) \(39.2\text{ cm}^2\).

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