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The top is a circle and so its area is pi*r2 where r is its radius.

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12y ago

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How do you find the suface area of a cylinder?

(h is the height of the cylinder, r is the radius of the top)Surface Area = Areas of top and bottom +Area of the sideSurface Area = 2(Area of top) + (perimeter of top)* heightSurface Area = 2(pi r 2) + (2 pi r)* hcredit to:http://www.math.com/tables/geometry/surfareas.htm#cylinder


What is cylinder ridge?

In a internal combustion engine, a cylinder ridge is an unworn area around the top of the cylinder wall. In that engine, the piston moves up and down in the cylinder, and the rings seal the piston in that cylinder. But the rings are spaced "down a bit" from the top of the piston. And when the piston reaches top dead center in the cylinder, the rings haven't gone all they way to the top of the cylinder. They end up wearing the cylinder out "underneath" that top area. In other words, it's the top part of the cylinder that is not in contact with the piston rings. It's the "unworn" part, if you will.


What is the surface area of a cylinder?

The surface area of a cylinder is 2πrh + 2πr². The variable r is the radius and h is the height.2πr² is the area of the top and bottom parts of the cylinder.2πrh is the area of the round circular part.


How man edges does a cylinder has?

A cylinder has no edges, but it has three different faces (top, bottom, and middle area)


What is the surface area of a cylinder without a top or bottom?

2(pi)rh


Volume of a cyclinder?

You need to multiply the radius of the top of the cylinder by pi. With that answer you need to multiplay the area of the topcircle by the height of the cylinder.


How do you Compute the volume of a cylander?

for a kid friendly explanation: You multiply the area of the circle on the top of the cylinder and multiply it by how high it is(the cylinder)


Surface area for cylinder-?

The surface area is the areas of all the parts needed to cover the can, which are the top and bottom circles.


What is the formula of a cylinder by finding the surface area?

The area of a cylinder = 2πr2 + 2πrh, where π is pi (3.14159...), r is the radius of the top and bottom, and h is the height. Click on the related link below for a tutorial on how to find the area of a cylinder.


What is the volume of cylinder without top?

You know that the volume of a box is Length × Width × Height. In other words, it's the area of the box's "footprint" multiplied by the height. It makes sense that the volume of a cylinder would also be the area of its footprint times height. The "footprint" of a cylinder is a circle, and its area is πr². So, the volume of a cylinder is πr²h.


How many faces in sylinder?

There are two faces in a cylinder. The top and bottom. The round area doesn't count.


How do you solve the area of rod?

Assuming a rod is a cylinder the surface area is the area of the top + the area of the bottom + the area of the cylinder wallsA = 2πr2 + 2πrh = 2πr(r + h)