Question

The area of a rhombus is 180 cm². If one of the diagonal is 12cm long, then the length of
the other diagonal (in cm) is
1)
2)
3)
4)
15
30
18
25​

Answer 1

a.of rhombus=1/2×d1×d2

180cm2=12cm×d2

d2=180cm2/12cm

d2= 15cm.

Answer 2

30 is the right answer

hope it helps