Question

if perimeter of a square is 42 cm. find its area​

Answer 1

Heyaa mate❤️

Perimeter - 42 cm

Side - ?

So,

Formula of perimeter of square - 4 × Side

$\frac{42}{4} = 10.5$

If 1 Side = 10.5 cm,

Then , area = ( Side² )

( 10.5 )²

= 110.25 ans.

hope it helps!

Answer 2

Answer:

perimeter of square = 4× side of the square

let side of square be x

4x = 42

x= 42/4

x= 10.5cm

area of square = side× side

10.5×10.5

=110.25

area of square= 110.25 cm sq