A = pi * r^2 r = d/2 r = 6/2 r = 3 A = pi * 3^2 A = 9pi A = 28.27in^2
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A 1/2 diameter piston moves 10 inches with 30 lbs force how far will it move with 6 inch diameter piston and how much weight will it lift
Area = pi*6*6 square inches
A 6-inch circle has an area of: 28.27 square inches.
Area of the circle: pi*6 squared = 36*pi square inches
Surface area of the pipe: diameter*pi*length but make sure that the diameter and length are both in meters or inches.