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Wednesday, 04 March 2026
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An arc of a circle subtends an angle 70o at the centre. If the radius of the circle is ...

An arc of a circle subtends an angle 70o at the centre. If the radius of the circle is 6cm, calculate the area of the sector subtended by the given angle.(\(\pi\) = \(\frac{22}{7}\))
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  • A 22cm2
  • B 44cm2
  • C 66cm2
  • D 88cm2
Correct Answer: Option A
Explanation:
Area of a sector = \(\frac{\theta}{360°} \times \pi r^{2}\)
r = 6cm; \(\theta\) = 70°.
Area of the sector = \(\frac{70}{360} \times \frac{22}{7} \times 6^{2}\)
= \(22 cm^{2}\)

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