Simply work out the area of a section of cable.........
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Perimeter of the base of the ruler multiplied by its height
Volume = cross sectional area * lengthArea = 2* cross sectional area + perimeter of cross section * length
Oh, dude, calculating the cross-sectional area of a cube is like a walk in the park. You just take the length of one side of the cube and square it. So if the side of the cube is 4 units long, the cross-sectional area would be 16 square units. Easy peasy, right?
Measure the diameter = d cm. Then radius = d/2 cm and cross sectional area = pi*r2 cm2.Measure the diameter = d cm. Then radius = d/2 cm and cross sectional area = pi*r2 cm2.Measure the diameter = d cm. Then radius = d/2 cm and cross sectional area = pi*r2 cm2.Measure the diameter = d cm. Then radius = d/2 cm and cross sectional area = pi*r2 cm2.
If the diameter doubles (x2), the cross-sectional area quadruples (x4).