Right Regular Pyramid Calculator
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A pyramid is a geometric solid, having a polygon as its base (or bottom), with triangles for its faces (or sides) and a vertex that is perpendicular to the base.
The polygon base can have any number of sides, 3 or greater.

A pyramid gets its name from its polygon base and not from its faces.
So, the diagram at the top of this page depicts a square pyramid. The diagrams below show a triangular pyramid and a pentagonal pyramid.

Like the diagram at the top of the page, the Great Pyramid of Egypt has a square base and 4 triangular faces and that's what most people think of when they hear the word 'pyramid'.
However, mathematically speaking, the base could have any number of sides, 3 or greater.

Significant Figures >>>

The default setting is for 5 significant figures but you can change that by inputting another number in the box above.

Answers are displayed in scientific notation and for easier readability, numbers between .001 and 1,000 will be displayed in standard format (with the same number of significant figures.)
The answers should display properly but there are a few browsers that will show no output whatsoever. If so, enter a zero in the box above. This eliminates all formatting but it is better than seeing no output at all.

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