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The area of a rectangle, whose one side ...

The area of a rectangle, whose one side is `'a'` is `2a^(2)`. What is the area of a square having one of the diagonals of the rectangle as side?

A

`2 a^(2)`

B

`3 a^(2)`

C

`4 a^(2)`

D

`5 a^(2)`

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The correct Answer is:
D
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