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The bubbles can never be of square shape for surface tension reasons as well as the reason that the pressure inside the bubble is distributed equally through all directions.
two square inches
4in2
8 inch schedule 40 pipe has a cross sectional area of 0.0583 square feet
In European countries and elsewhere, the cross-sectional area of electric cables and busbars are expressed in square millimetres. The larger the cross-sectional area, the greater the current-carrying capacity.
Calculate attic square footage, calculate how much free area you need by dividing the attic square footage by 300. Convert the square feet needed to inches. Split the amount of free area needed equally between the intake and the exhaust. Divide that by 60, for how many vents you'll need.
No, but the approximation is better for normally distributed variables.
3.1416"Answer:3.1416 square inches.
0.3344 square inch
Because the volume of the cylinder is proportional to the cross sectional area of the cylinder. The cross sectional area is a circle and the area of a circle is pi*r2.
The answer depends on the cross-sectional area as well as the length.
It is approx 0.003068 square inches.