Question

The area of a square piece of tissue paper is 81 square centimetres. How long is each side of the tissue paper ?​

Answer 1

Answer:

9 cm

Step-by-step explanation:

area=s²

81=s²

9=s (taking root on both sides)

the side of the tissue paper is 9cm

Answer 2

Answer:

side=9

Step-by-step explanation:

let side of paper =x

area=81

x^2=81

x=9

side=9