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Total surface area of a sphere is 400π m...

Total surface area of a sphere is `400π m^2`. If length of a rectangle is equal to diameter of sphere and breadth of rectangle is 3 metre smaller than its length, then find the area of rectangle.

A

360 `m^2`

B

`340 m^2`

C

`380 m^2`

D

`280 m^2`

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