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One side of a rhombus is 13cm and one of...

One side of a rhombus is 13cm and one of its diagonal is 10 cm. What is the area of the rhombus (in `cm^2`) ?
किसी समचतुर्भुज की एक भुजा 13 cm और एक विकर्ण 10 cm है। समचतुर्भुज का क्षेत्रफल ज्ञात करे | (`cm^2` में)

A

30

B

60

C

120

D

90

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