If it is a perfect square it's easy.
1. Find the length of one side of the square. (If it's a square, all sides will be the same.)
2. Multiply that side of the square by itself. If you have a easy square where each side is 2 inches, you'd multiply 2x2. The answer would be 4.
And that's your area! Very simple.
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The area of a square is the square of the side (all sides of a square are of equal lengths). So taking the square root of the area would give the value of one side in linear units. Now adjacent sides of a square form a right angle. Therfore the hypotenuse would be the square root of (side^2 + side^2) but you know the value of the side from the previous step when you took the square of the area. Hence you can find the hypotenuse.
HOW TO FIND THE AREA OF A SQUAREmust x all sides
If r is the radius of the can and h is the height thenSurface area = pi*r*(r+h) square units Volume = pi*r^2*h.
The formula for the area of a square is A=s2. So to find the sidelength, find the square root of the area.
You square-root the area