Question

the diagonal of a rombus are 9cm and 12cm . find its area and perimeter

Answer 1

Area of rhombus= 1/2(d1×d2)

so, put value of D1 and D2 and D1=9cm D2=12cm

Area of rhombus =1/2(D1×D2)

=1/2(9×12)

=1/2×108

=54 cm

So, the area of rhombus is 54cm.