Well, isn't that just a happy little question! When you have a square that's 8 feet by 8 feet, you can use the Pythagorean theorem to find the diagonal. Simply square the length of one side (8²), multiply it by 2, and then take the square root of that sum. So, the diagonal dimension of your square would be about 11.31 feet. Just imagine that diagonal stretching across your canvas, bringing a sense of balance and harmony to your artwork.
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The diagonal measurement of an 8 ft square is: 11.31 feet.
8*sqrt(2) The diagonal of the square would be the hypotenuse of the right triangle formed by two of the sides of the square.
64 square feet
the square root of 128 or 8 times the square root of 2.
The square feet are simply the width times the length. But, I will assume you are interested in the inside dimension of the container or the volume. A sea container is 39' and 3/8" long by 7' 8-3/8"wide by 7' 9-5/8" high. Therefore a 40 foot container holds 2261 cubic feet of area