Question

find the length of the side of a square whose area is 400cm square​

Answer 1

Answer:

given hete perimeter of square =400ccm square

find here

.side if ssquare =?

now perimeter of square 4 x side.

400= 4 x side

side = 100 cm

Answer 2

Answer:

answer is

Step-by-step explanation:

if the side is a

then a^2=400

=20^2

=20