Question

Find the area of square whose side is 20 cm
full explain ​

Answer 1

Answer:

formula=4×side

• 4×20

•=80

Answer 2

Answer:

400 cm sq.

Step-by-step explanation:

Given that

Side of square is 20cm

To find

Area of square

Solution

As we know that

$area \: of \: square = {side \: of \: square}^{2}$

hence

$area \: of \: square = 20 \times 20$

by multiplication we get

$area \: of \: square = 400 {cm}^{2}$