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How much weight will a four inch tall X 2 inch wide with a one quarter section steel tube five foot long supported on both ends hold in the middle without bending?
That depends... on the composition of the steel !
How do you make a square with 3 matchsticks without breaking or bending them in any way?
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How do you figure out the circumference of something without knowing the diameter?
If you know the radius, double that to get diameter. If you have neither radius or diameter, then measure around the outside.
How do you find the diameter without the circumference?
The diameter of a circle can be found without the circumference using the formula d = 2r. This formula requires that you know the radius of the circle which is half of the diameter. To calculate the diameter you need to multiply the radius by 2. For example if the radius of the circle is 4 then the diameter would be 8 (4 x 2 = 8).You can also find the diameter of a circle if you know the circumference. To do this use the formula c = d. By rearranging the equation you can calculate the diameter as d = c/. For example if the circumference of the circle is 12.5 the diameter would be 4 (12.5/ = 4).
How do you calculate the area of a circle without a radius?
Use the diameter and divide it by two.
