A cylinder has two curved edges while a prism has no curved edge. A square pyramid 8 edges. Cylinder & Prism. A sphere has no vertex. Surface area of prisms and cylinders (EMBHX) Surface area is the total area of the exposed or outer surfaces of a prism. Triangular Prism Sphere. (See Definition of a prism). A cylinder is another type of right prism which has a circle as its base. Although some may say that, strictly speaking, a prism can't have curved sides, in most cases you could call a circular prism a cylinder - YES. A prism is a solid with bases that are polygons and the sides are flat surfaces. Square Pyramid. Well, prisms have no round sides or vertices, but a cylinder obviously has a circle base. A right trapezoidal cylinder, also known as a rectangular prism, can be solved as such: Add the two parallel sides (bases) of the trapezium together. And has same cross section along its length. Another prism is a milk carton as its cross-sectional area is a rectangle. It has identical ends. (See Definition of a prism). A square pyramid has 5 vertices. One may also ask, what is the relationship between a prism and a cylinder? A cylinder is like a prism because it has two bases that are identical shapes and are parallel to each other. A cylinder is different because it is has no edges and a rectangular prism does. In addition to that, a right circular cylinder is a circular cylinder whose lateral surface contains segments that are perpendicular to the bases. A cylinder has 2 circular edges. Strictly speaking a cylinder is not a prism, however it is extremely similar. A cylinder has two faces and a rectangular prism has 6. However, it only has one side that connects these two bases, and this side isn’t flat – it’s curved. Divide the result by 2. Similarly, a prism is a 3D closed surface that has 2 parallel polygonal bases connected by flat surfaces. A cylinder has no vertices while a prism has several vertices. Multiply the result of step 2 by the height of the trapezium (i.e., the distance that separates the two sides). A sphere has a curved surface. An unsharpened pencil will have a cross-sectional area of a hexagon or an octagon or a circle depending on the type of pencil, so it is also a prism. The definition of a cylinder is a 3D closed surface that has 2 parallel circular bases at the ends and connected by a curved surface (side). The base shape of a cylinder is a circle. A square pyramid has 4 lateral triangular faces and 1 square base. Also for a prism, the cross-section is a polygon, while for a cylinder it is a circle. A cylinder has no corner or vertex. A sphere has no edges. In a prism where the bases are regular polygons, the prism begins to approach being a cylinder when the number of sides is large. Figure %: A right circular cylinder A prism is one of the most basic polyhedrons, as well as an interesting example of a cylinder. Strictly speaking a cylinder is not a prism, however it is extremely similar. A right circular cylinder is drawn below. Examples of right prisms are given below: a rectangular prism, a cube, a triangular prism and a cylinder. A prism is a solid shape and, if regular, its two ends/bases must be the same shape and it's sides’ rises up parallel to one another, or in the same way. All faces are flat, since all faces of a parallelogram are flat. A cylinder would be a form of prism as its cross-sectional area is a circle.