Question

If you could help me with this it would be greatly appreciated!

Answer 1

Your answer will be B

Answer 2

Here is your answer

B.$\sqrt{81}$

C. 9

REASON:

Let the side of square be a feet

Area of square =${a}^{2}$

so,

${a}^{2}= 81$

$a= \sqrt{81}$

$a= 9 feet$

HOPE IT IS USEFUL