Wiki User
∙ 13y agoFirst, think about what a diameter of a circle is. It is a line drawn through the middle of a circle from one side to the other. Is a pipe shaped like a circle? Yes, so you can use diameters of a circle to figure this out.
Second, draw a circle like the inside of the pipe. Draw a straight line through the middle from one side to the other. Write 10 cm above it.
Third draw a circle around the first circle. Draw a line to one end if the first line. Write 1 cm above it.
Fourth, do the same on the other end of the first inside line and write 1 cm above it. You should have a line that goes through the middle and all the way to the outside circle.
Now, look at what you have: 1 cm on the outside + 10 cm on the inside + 1 cm again on the other outside. If this seems tricky run your finger along the line to see how it works.
What do you have? 1 cm + 10 cm + 1 cm = 12 cm.
12 cm is the answer.
Wiki User
∙ 13y agoby using a caliperhttp://www.technologystudent.com/equip1/vernier3.htm
if you mean a cylinder with a hole through it like a pipe or tube, then it's pi x (Od2 - id2)/4 x h Od = outer diameter id = inner diameter
If it is a diameter then you must be in a cylinder or domed room. To get the thickness take the external and subtract the internal then divide the result in half.
There must be some distances given between the outer square and the inner square... We'll then decrease the differences from the side of the outer square in order to get the side of the inner square. Thus, we can find the perimeter of the inner square as well.
Suppose the diameter of the disk is D cm so that the radius is D/2 = R cm. Suppose the diameter of the hole is d cm so that its radius is d/2 = r cm. Then the area of one side of te disc is pi*(R^2 - r^2) Therefore the total area of the two sides is 2*pi*(R^2 - r^2) square cm. This ignores the surface area of the edge which, although small, is not 0.
Outer radius minus inner radius Subtract the inside diameter from the outside diameter, then divide the difference by 2.
by using a caliperhttp://www.technologystudent.com/equip1/vernier3.htm
The bearing number can be checked out depends on the size of ID (Inner Diameter), OD (Outer Diameter) and H (Height) of this bearing.
take the outside diameter and subtract the thickness twice.
take the outside diameter and subtract the thickness twice.
take the outside diameter and subtract the thickness twice.
The inner layer of Earth is composed of solid materials like the inner core and the outer core, while the outer layer, known as the crust, is composed of solid and rocky materials. The inner layers are much hotter and under high pressure compared to the outer layers. Additionally, the outer layer is where we find the Earth's surface features like mountains, oceans, and continents.
External diameter minus internal diameter will get you the difference and then you have to divide by two to get the wall thickness. (as the difference in diameter accounts for both sides of the cylinder)
if you mean a cylinder with a hole through it like a pipe or tube, then it's pi x (Od2 - id2)/4 x h Od = outer diameter id = inner diameter
The inner radius is 6 cm, and the outer radius is 9 cm. The circumference of a circle is given by the formula C = 2πr. Therefore, the inner circumference is 2π(6) = 12π cm, and the outer circumference is 2π(9) = 18π cm. The difference between the outer and inner circumferences is 18π - 12π = 6π cm.
If it is a diameter then you must be in a cylinder or domed room. To get the thickness take the external and subtract the internal then divide the result in half.
It is not possible to find the volume from the two radii. That will only give the surface area of the disk that it forms. To find the volume yYou also need the thickness of .