Question

Find the perimeter of square each of whose sides are 21cm.

Answer 1

${\underline{\underline{\boxed{\sf{\red{Perimeter = 4 × side}}}}}}$

$perimeter \: = \: 4 \: \times \: 21cm \\ \\ perimeter \: = \: 84 \: cm \: \: \: \: \: \: \: \:$

${\sf{\underline{\underline{\pink{Hope \: it \: helps}}}}}$

Answer 2

Step-by-step explanation:

Here we know that perimeter of square = 4× side

Given :- side of square= 21 cm

:- perimeter of square:- 4× 21

= 84

Hope this is helpful for you