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These are different types of pyramids and they are named after the shape of their bases.

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These are different types of pyramids and they are named after the shape of their bases.

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The bases are polygons.

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We can work out the volume of a square based pyramid.

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We can work out the volume of a square based pyramid.

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Here's the formula:

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Pyramids are not classed as prisms as they do not have a uniform cross section.

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A pyramid features on an old one American dollar bill!

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This is the mathematical name for the top vertex of a pyramid

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Square Pyramid Facts

Notice these interesting things:

It has 5 Faces

The 4 Side Faces are Triangles

The Base is a Square

It has 5 Vertices (corner points)

It has 8 Edges

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Here are the mathematical names for parts of a square based pyramid!

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Here are the mathematical names for parts of a square based pyramid!

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We can see pyramids in Eygpt!

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The perpendicular height is also known as the altitude

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The perpendicular height is also known as the altitude