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

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 = θ x πr2
360


= 50/360 x 22/7 x 36/1
= 110/7

There is an explanation video available below.

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Explanation Video

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WAEC offline past questions - with all answers and explanations in one app - Download for free
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
WAEC offline past questions - with all answers and explanations in one app - Download for free
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709