Q: How do you calculate the volume of D shaped tunnel?

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V = π (D²/4) x L

The volume of the 3-D solid is 120 cubic units, assuming that the 3-D solid is in the form of a cuboid (brick-shaped). The volume of a cuboid is the product of its length, width, and height.

D = M/V Density = Mass divided by Volume

Calculate the (diameter of the pipe (D) divide by 2) squared X pi * length and this will give you the volume. eg Volume = (D/2)2 X Pi X Length. (or R2 X Pi X Length) (Use 3.14159265359 as an approximation for Pi.) In practice, 11/14 Times Diameter is used in lieu of (R2 X Pi) as a quick and dirty but near enough approximation.

You need the mass (m) and volume (v) of the object. The density (d) is then given by:d = m / v

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V = π (D²/4) x L

The volume of the 3-D solid is 120 cubic units, assuming that the 3-D solid is in the form of a cuboid (brick-shaped). The volume of a cuboid is the product of its length, width, and height.

The formula for density is d = density m = mass v = volume

To calculate density, divide the object's mass by its volume. The formula for density is Density = Mass / Volume. Density is a measure of how much mass is contained in a given volume.

The density is the ratio between the mass and volume: d=M/V.

The main two tools are mass and volume D=mass/volume

the answer is 30 times 4= 120yd

D = M/V Density = Mass divided by Volume

To calculate the total volume of something, you need to determine the shape of the object (e.g., cube, cylinder, sphere) and then use the appropriate formula to find its volume. For example, the volume of a cube is calculated by multiplying the length, width, and height, while the volume of a cylinder is calculated by multiplying the area of the base (usually a circle) by the height. Make sure to use the correct units of measurement in your calculations.

You can calculate the volume of the mass by dividing the mass by the density. The formula to calculate volume is volume = mass / density. This formula allows you to determine the space an object occupies based on its mass and density.

H = D sin ( ((2*pi*V.k)/V.t) - pi/2) + D Here: D = Diameter of the cylinder V.k = The known volume of the liquid V.t = The total volume of the cylinder H = The height of the liquid.

Quantity of mass (eg grams) in a standard volume (eg cubic centimeter). Weigh something, measure or calculate its volume, and then divide the weight by the volume. d = w/v