Question

the length of a square paper is 21cm what is the it's area​

Answer 1

Answer:

441 cm

Step-by-step explanation:

Area of square = Side* side.

The length of square is also known as its side.

So, 21*21=441

So 441 cm

Answer 2

Answer:

THE AREA OF THE SQUARE IS

${441cm}^{2}$

Step-by-step explanation:

GIVEN : LENGTH OF A SQUARE PAPER IS 21 cm.

TO FIND : IT'S AREA

SOLUTION :

SINCE IT IS A SQUARE,

THEREFORE it's area will be

AREA OF A SQUARE = SIDE ×SIDE

NOW,

$21cm \times 21cm \\ = {441cm}^{2}$

HOPE THIS HELPS YOU AND MANY OTHERS.

THANK YOU ALL.

STAY SAFE.