The diagonal of a rectangular field i...

The diagonal of a rectangular field is 15 metres and the difference between its length and width is 3 metres. The area of the rectangular field is (a) 9m2 (b) 12m2 (c) 21m2 (d) 108m2

`9m^(2)`

`12m^(2)`

`21m^(2)`

`108m^(2)`

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