A cylindrical piece of iron pipe is shown below. The wall of the pipe is 1.25 inches thick:What is the approximate inside volume of the pipe? 332 cubic inches 69 cubic inches 703 cubic inches 99 cubic inches
Question
A cylindrical piece of iron pipe is shown below. The wall of the pipe is 1.25 inches thick:What is the approximate inside volume of the pipe? 332 cubic inches 69 cubic inches 703 cubic inches 99 cubic inches
Solution
To answer this question, we need more information such as the length and the outer diameter of the pipe. The volume of a cylinder is calculated by the formula V=πr²h, where r is the radius and h is the height (or in this case, the length of the pipe).
However, since the pipe has a thickness, it's essentially two cylinders, one inside the other. The volume of the pipe's interior would be the volume of the larger cylinder (the whole pipe) minus the volume of the smaller cylinder (the pipe wall).
The radius of the larger cylinder would be the pipe's outer radius, and the radius of the smaller cylinder would be the outer radius minus the thickness of the pipe wall.
So, we would need the outer diameter (to find the outer radius) and the length of the pipe to calculate the volume. Without these values, we can't determine the correct answer from the options provided.
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