Volume of a cylinder = {pi}r2h.
1 litre = 1000cm3 so 1ml = 1cm3, thus 400ml = 400cm3
400cm3 = {pi}(4cm)2h
h = 400cm3/({pi}16cm2)
h = 25/{pi} cm
As an exact answer is required, leave it in this form instead of dividing through (to get about 7.96cm).
The formula for working out a cylinder is... pie radius squared times height The pie radius squared works out the area of one of the circle faces, and then multiplying it by the height sort of stretches out the circle face to the cylinder's exact volume
Volume of cylinder: pi*2.2^2 *4.9 = 75.50601137 cubic yards
The height of a cylinder all depends on what cylinder you are talking about. There is only an exact height if you have measured it yourself or someone has already measured it for you.
What do you mean by "exact measurement"? Do you wish to determine the cylinder's height? Its diameter? Its surface area? Its volume?
Exact is difficult but it is approximately 2.713 cc.
First, it is not an approximation but the formula for the exact value of the volume. Second, pi and e are quite different numbers.
A formula for the volume of a cylinder is 2 X pi X r2 X h, where r is the radius and h is the height. This formula yields about 3053.628059 cubic centimeters if the integers specified are considered exact or 3.1 X 103 cubic centimeters to the justified number of significant digits otherwise.
Because of the cylinder's circular shape, its surface area includes a multiple of pi. Because pi is an irrational number, you can not express its exact value numerically. The fact that you can't express it numerically does not however mean that you can't express it at all. For example, a cylinder with a radius of 1 centimeter and a height of 1 centimeter will have a surface area of exactly 4π centimeters.
V = 6,032 cubic inches.
Cylinder volume in gallons = (pi) x (radius of the end in inches)2 x (length in inches) / (231) or (pi) x (radius of the end in feet)2 x (length in feet) x (7.48) . The first result is exact. The second result is short by 0.007% .
3.141526538979238426438350288…
If the can is a right circular cylinder, the area of the curved part of the surface is 2pi X radius X height or about 87.96 square inches. The combined area of the base and the top flat surfaces is 2pi X radius squared or about 25.13 square inches. The total area is the sum of these two or about 113.1 square inches. If the integral dimensions are not considered exact, this should be written as 1.1 X 102 square inches; the depressed value of the digit after the decimal point shows that this digit may not be within + 1.