# Which shape has only a curved surface?

There are many shapes in geometry, but some have only curved surfaces. These shapes are called cylinders, spheres, and discs.
Cylinders have two flat and often parallel surfaces, while the two other shapes are curved throughout.

In geometry, a cylinder can be defined as a circular prism with two equal and opposite faces. A sphere is a three-dimensional object with all points on its surface equidistant from its center, making it completely round. Finally, a disc is a flat shape that has only one curved surface. It has no edges or vertices and is generally characterized by its diameter.

## The shapes that have only a curved surface

There are many shapes that have only a curved surface. Some of these shapes include spheres, cylinders, and cones. Each of these shapes has a different curve to its surface. A sphere has a smooth, round surface. A cylinder has a straight, cylindrical surface. A cone has a pointed, conical surface.
Each of these shapes has a different application in the world, but all are united by their curved surface.

There are many shapes that have only a curved surface. Some of these shapes include spheres, cylinders, and cones. Each of these shapes has a different radius, which determines the size of the curve. The larger the radius, the greater the curve.

## How to know if a shape has only a curved surface

There are a few ways to know if a shape has only a curved surface. One way is to look at the shape and see if there are any flat sides. If there are no flat sides, then the shape has only a curved surface. Another way to know if a shape has only a curved surface is to touch the shape. If the shape feels smooth all over, then it has only a curved surface.

There are a few ways to tell if a shape has only a curved surface. One way is to look at the shape from different angles. If the shape looks curved no matter what angle you view it from, then it likely has only a curved surface. Another way to tell is to run your hand along the surface of the shape. If the surface feels smooth and curved, then it likely has only a curved surface.

## The benefits of having only a curved surface

As you might expect, a curved surface has several advantages over a flat one. For starters, it’s much more aerodynamic, which is why so many sports cars have sleek, curved designs. This same principle can be applied to anything that needs to move quickly through the air, from airplanes to missiles.

In addition to being more aerodynamic, a curved surface is also stronger than a flat one. That’s because it can distribute force more evenly over its surface area. This is why many bridges and buildings have arched or vaulted ceilings – they’re able to support more weight than a traditional flat ceiling.

Finally, curved surfaces just look nicer than flat ones. They’re pleasing to the eye and can add an element of sophistication to any design. So if you’re looking for a shape that has all the benefits of a curve but none of the disadvantages of a flat surface, you might want to consider a sphere!

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When it comes to shapes that have only a curved surface, there are several different types. Cylinders, spheres, and discs all fit this description. Each of these shapes has unique benefits when it comes to aerodynamics, strength and aesthetics. So if you’re looking for a shape with all the advantages of a curve but none of the disadvantages of a flat surface, you might want to consider one of these three options!