Question

9. The perimeter of a rhombus is 20 cm. The length of one of its diagonal is 6 cm, what is the length of the other diagonal?​

Answer 1

7cm

-_-_-_--_-_-_-_--_---_-_-_-_

Answer 2

Answer:

8 cm

Step-by-step explanation:

the diagonals of rhombus bisect each other and they are perpendicular to each other.

so, by applying pythogoras-

x2 + 9 = 25

, x = 4 CM

now, length of another diagonal = 8cm