Question

plss answer questions ​

Answer 1

Step-by-step explanation:

i) 9.

ii) 8.

Hope it helps you.

Answer 2

Answer:

It would be 9cm

Step-by-step explanation:

this is because area of a square has formula:a^2(where a is the side is of a square)

therefore

81=a^2

a=√81

a=±9

as side can't be negative

therefore side is 9 cm