10. mountain view middle school students work on square desktops. the area of the square desk
surface is 4 square feet. what is the length of each side of the desktop?
11. a square has an area of 81 square meters.
a. find the length of one side of the square.
b. find the perimeter of the square.
12. the area of a circle is 121 square units. the formula for the area of a circle is a=tr. what
is the radius of the circle?
The area is found by multiplying length by width. Since its a square the length and width are the same and it would have to be 2.
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