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Three Dimensional Shapes

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notes

Three-dimensional shapes:

A solid object has three measurements like length, breadth, height, or depth. Hence, they are called three-dimensional shapes. Also, a solid object occupies some space.

The cube, the cuboid, the sphere, the cylinder, the cone, and the pyramid are examples of solid shapes.

Difference between 2-dimensional shapes and 3-dimensional shapes:

2-dimensional shapes

3-dimensional shapes

2-dimensional shapes have only length and breadth.

3-dimensional shapes have length, breadth, height, or depth.

Plane figures are of two-dimensions (2-D).

Solid shapes are of three-dimensions (3-D).

The circle, the square, the rectangle, the quadrilateral and the triangle are examples of plane figures.

The cube, the cuboid, the sphere, the cylinder, the cone, and the pyramid are examples of solid shapes.

2D objects do not have different views from different positions.

3D objects have different views from different positions.

We can measure their area and Perimeter.

We can measure their volume, Curved Surface Area, Lateral Surface Area or Total Surface Area.

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