Area of a rhombus is 144 cm^(2) and the...

Area of a rhombus is ` 144 cm^(2)` and the ratio of length of two diagonals is 1:2. The sum of lengths of its diagonals are :

A

72 cm

B

40 cm

C

36 cm

D

`18 sqrt2 cm`

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The correct Answer is:

C

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