Each side of a square barn is 9 meters long. what is the barn's area?
what is the barn's perimeter?

Step-by-step explanation:

a) barn area = 9 × 9 = 81 m^2

b) perimeter = 9 × 4 = 36m or

= 9+9+9+9 = 36m

for the first question it would be the second answer for the second question it would be the third answer and for the third question it would be the first answer

step-by-step explanation:

0 is its x and y coordinate