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What are parts of a cylinder?
Length, radius ,diameter, circumference
What is the circumference of a cylinder 16 in diameter and 15cm height?
Ah, what a lovely question! To find the circumference of a cylinder, you'll want to use the formula 2πr, where r is the radius of the cylinder. Since the diameter is 16 inches, the radius would be half of that, which is 8 inches. So, the circumference would be 2 x π x 8, which is approximately 50.24 inches. Keep painting with those happy little numbers!
How do you derive of surface area of cylinder?
The surface area of a cylinder can be derived from the area of rectangle. If you 'unroll' a cylinder you have a shape of a rectangle, similar to a sheet of paper. The width of the rectangle will be the height of the cylinder and the length of the rectangle will be the circumference of the cylinder end.So, Area = length * widthwhere, width = height of cylinder & length = circumference of cylinder end = PI*(Diameter of cylinder)Therefore,surface area of a cylinder = (PI)*(diameter of cylinder)*(height of cylinder)Hope that helps!
How do you find the radius of a cylinder using the circumference and the height?
divide the circumference by pi (3.1416) and divide the product by two that will give you the radius
How do you find the radius of a cylinder using the circumference and the width?
If you know the circumference then divide that by (2 x pi) and you will get the radius. The width is unnecessary information.
