Question

The area of a rhombus is 20 cm2 and one of diagonal is 2 cm. Find the other diagonal of the rhombus.​

Answer 1

Other diagonal will be 20cm.

$Area \: of \: Rhombus \: having \: digonals \: \bold{p} \: and \: \bold{q} \: is \\ = \frac{pq}{2} \\ Here, \: p = 2 \: and \: area = 20 \\ \therefore 20 = \frac{2q}{2} \implies \: q = 20cm$