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Question
The perimeter of a circle is 17.5 cm. Find the area of the sector enclosed by two radii and an arc 44 cm in length.
The perimeter of a circle is 17.5 cm. Find the area of the sector enclosed by two radii and an arc 44 cm in length.
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Solution
Here arc length; Cs =44 cm
Radius of a circle; r = 17.5 cm
So, area of sector = Cs/2πr×πr2
=44/2π×17.5×π×(17.5)(17.5)
=22×17.5
=385 cm sq.
Radius of a circle; r = 17.5 cm
So, area of sector = Cs/2πr×πr2
=44/2π×17.5×π×(17.5)(17.5)
=22×17.5
=385 cm sq.
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