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Question
The area (in cm2) of a sector of a circle of radius 21 cm cut off by an arc of length 22 cm is ______.
Options
441
321
231
221
MCQ
Fill in the Blanks
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Solution
The area (in cm2) of a sector of a circle of radius 21 cm cut off by an arc of length 22 cm is 231.
Explanation:
Area of sector = `1/2 xx l xx r`
= `1/2 xx 22 xx 21`
= 231 cm2
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