Curved SurfaceFlat Surface
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An object can have a curved surface all around it. Such objects have only one surface throughout. Instances of objects through the curved surface ar all around are spheres.

You are watching: How many curved surfaces does a sphere have


Real life examples that the objects through curved surface throughout are balls, globe, eggs, pipes, domes, etc

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Egg

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Ball

There room 3D forms that consists only level surfaces. Because that example, a cube, cuboid, pyramid and also prism are all 3D forms that are comprised of flat surfaces. Your surfaces room squares, rectangles, triangles and also parallelograms. None of them has actually a bent surface. The non-examples that 3D shapes with the curved surface space cubes, cuboids, pyramids, prisms, bricks, etc.

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Pyramid

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Cube

3D shapes such as cones and cylinders have actually a bent surface as well as flat surfaces.

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A cylinder has 2 level surfaces and also one bent surface.

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A cone has one flat surface and a curved surface.

Examples that the objects v curved and flat surfaces room drums, cans, cones, etc

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Can

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Cone


There are objects that deserve to have 2 different curved surfaces. The provided image reflects a test tube through a curved surface (wall: cylindrical) and also a curved surface for the base (spherical) too.


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Fun Facts

Multiple one stacked together kind a curved surface.

Any point on a curved surface ar is equidistant indigenous its centre and also this street is dubbed the radius.

A level surface can be rolled to kind a curved surface, and if you open up a roll, you can obtain a flat surface.

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