Question

Area of a square is 81 sq.cm.What is the side of the
square?

Answer 1

Answer:

square

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

$area \: = 81 \\ {a}^{2} = 81 \\ a = \sqrt{81 } = 9$

Answer 2

Step-by-step explanation:

area of square = 81sq cm

side of square = x

x = 81sq

x = √x = √81 = 9

side =9 cm