Question

Find the area and the perimeter of a square whose side is 20.5 cm.

Answer 1

Given :
side of square = 20.5 cm

Solution :

Area of square = side ^ 2
= (20.5)^2
= 20.5 *20.5
=420.25 sq .cm


Perimeter = 4* side
= 4 * 20.5
= 82 cm

Answer 2

Answer:

Step-by-step explanation:

Side of square =20.5cm

Area of sq. = side×side =20.5×20.5 =420.25cm sq.

Perimeter of sq. = 4× side =4×20.5 =82cm