Question

The perimeter of rohambus is 20 cm and
one of its daignol is 6 cm long. Find the
length of the other daigonal
cm​

Answer 1

Step-by-step explanation:

Let a be the side of rhombus

perimeter of rhombus= 20cm

4a =20

a = 5

diagonals of rhombus bisect each other at 90

hypo.²=height²+base²

25=9+base²

4= base

second diagonal is 4+4=8cm