18 cm लंबी परिधि वाले आयत का अधिकतम क्षे...

18 cm लंबी परिधि वाले आयत का अधिकतम क्षेत्रफल क्या है ?

A

A)`20.25 cm^(2)`

B

B)`20.00 cm^(2)`

C

C)`19.75 cm^(2)`

D

D)`19.60 cm^(2)`

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