Question

a square board has an area of 121 square cm what is its perimeter

Answer 1

Area of square = side²

Here,

121 = side²

√121 = side

11 cm = side of square

-----------------------------

Perimeter of square =4×side

Here,

Perimeter of square = 4×11


Perimeter of square = 44 cm




I hope this will help you



-by ABHAY

Answer 2

here is your answer friend...