The length of a rectangle is three times of its width. If the length of the diag

Question

The length of a rectangle is three times of its width. If the length of the diagonal is $$8\sqrt {10} $$ cm, then the perimeter of the rectangle is :

Options:

A . $$15\sqrt {10} $$ cm

B . $$16\sqrt {10} $$ cm

C . $$24\sqrt {10} $$ cm

D . 64 cm

Answer: Option D

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