Q: Why is a circle a two dimensional shape?

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A semi-circle is a two dimensional shape.

A sphere is indeed a three dimensional shape. It is a circle rotated about an axis several times to create and three dimmensional object from a two dimensional shape.

yes Correction: No. It is a 2-dimensional, or plane, shape.

The difference is that two-dimensional shapes have a length and a width while three-dimensional shapes have a length, width, and depth. While some examples of two-dimensional shapes are circle, rectangle, and triangle, example of three-dimensional figures are a sphere, cuboid, and a pyramid.

If you draw a circle (or something approximating a circle)on a surface, it will be two-dimensional. The two dimensions will be theheight and width of the circle.In essence, however, a circle is just an abstract concept. In that sense, it does not actually have any dimensions.

Related questions

No.A torus is a three dimensional shape whereas a circle is a two dimensional shape.

circle

A semi-circle is a two dimensional shape.

If the shape is two-dimensional then it is a circle, if the shape is three-dimensional then it's a sphere.

No.A sphere is a three dimensional object whereas a circle is a two dimensional shape

It is a circle or an oval shape.

A sphere is indeed a three dimensional shape. It is a circle rotated about an axis several times to create and three dimmensional object from a two dimensional shape.

A triangle. Also, any shape that has no corners, such as a circle or an ellipse.

There is no volume in a circle but volume can be found in a sphere. The question should be rephrased. A circle is a two dimensional shape, so it cannot have a volume which is a characteristic of a three dimensional shape.

A circle is a closed curve where all points are equidistant from a fixed point called the center. It is a two-dimensional shape with no corners or edges.

A circle is two dimensional.

A sphere is a three dimentional shape, a circle is a two dimentional shape. You can't pick up a circle, it can only be drawn. In differential geometry, a one dimensional sphere is a point, a two dimensional sphere is a circle and a three dimensional sphere is what we call a "sphere", there is no limit to the number of dimensions a sphere can have.