The length of a rectangle is three times of its width. If the length of the diagonal is 8√10 cm, then the perimeter of the rectangle is :

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

1.	The length of a rectangle is three times of its width. If the length of the diagonal is 8√10 cm, then the perimeter of the rectangle is :
A.	64 cm
B.	58 cm
C.	46 cm
D.	38 cm
Answer» B. 58 cm

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The length of a rectangle is three times of its width. If the length of the diagonal is 8√10 cm, then the perimeter of the rectangle is :

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