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The perimeter of a right isoceles triang...

The perimeter of a right isoceles triangle is 2P then it area (in `cm^(2)`) is?

A

`(3+2sqrt(2))P`

B

`(3-2sqrt(2))P^(2)`

C

`(2-sqrt(2))P`

D

`(2+sqrt(2))P^(2)`

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