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Area of a sector of a circle of radius 15 cm is 30 cm^2. Find the length of the arc of the sector.

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Area of a sector of a circle of radius 15 cm is 30 cm2. Find the length of the arc of the sector.

Given: Radius (r) =15 cm, 

area of sector = 30 cm2

To find: Length of the arc (l).

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∴ The length of the arc is 4 cm.

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