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An arc subtends an angle of 50º at the center of circle of radius 6cm. Calculate...

Mathematics
JAMB 2010

An arc subtends an angle of 50º at the center of circle of radius 6cm. Calculate the area of the sector formed

  • A. 100/7
  • B. 80/7
  • C. 110/7
  • D. 90/7
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Correct Answer: Option C
Explanation

Area of a sector = \(\frac{\theta}{360}\) x \(\pi\)r\(^2\)

= \(\frac{50}{360} \times \frac{22}{7}\) x 36
= \(\frac{110}{7}\)

There is an explanation video available below.


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Explanation Video

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