Question

the length of the diagonal of a rombus is 42 cm and 40 cm . find the peri ​

Answer 1

Answer:

Step-by-step explanation:

As, the diagonals of a rhobus bisect each other at perpendicularly,

So, a right triangle is formed....

In which perpendicular = 8 cm

And base = 6 cm

Side of rhombus = Hypotenuse

Using pyth. Thm.

Side = √(6^2 + 8^2) = √100 = 10 cm

Pl mark as brainliest