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Q: How do you find out the surface area in this problem dealing with cones?

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They both depend on circumference not perimeter.

It is possible for some cones A and cylinders B. But in general, the assertion is false.

Surface Area is technically the same as area if we are dealing with 2-dimensional surfaces. But, it is mostly used to find an area of a 3-dimensional object.

The surface area of a cone: SA = pi*r² + pi*r*s (r is radius, s is slant height) The surface area of a pyramid: SA = [1/2 * Perimeter * Slant Height] + [Base Area]

The answer depends on information which has not been provided: the height of the cylinder and cone will affect their surface areas.

They depend on radius rather than perimeter.

No the area is when you are dealing with a 2-dimensional figure. Surface area formulas vary depending on if the object is a rectangular prism, a pyramid, a cone, or a triangular prism. a.k.a. the object needs to be 3-D to have a surface area.

There are a lot of different sizes of traffic cones. Without more information, it's impossible to answer.

7:3

The most general difference is: > The formula for the surface area of anything with a curved surface and edge will involve 'pi'. > The formula for the surface area of anything with only flat surfaces and straight edges won't.

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