If by "side" you mean face, you might be referring to a heptagonal pyramid (a pyramid with eight faces).If by "side" you mean edge, you might be referring to a tetragonal pyramid (a pyramid with eight edges).Or, if you mean it has an eight-sided base, your answer would be an octagonal pyramid (a pyramid with an eight-sides base).
circle
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A quadrilateral based pyramid. A square based pyramid would be a more common form for school maths.
The number at the top of a pyramid in maths is called PN1. It stands for Pyramid Number 1, because it's the last number at the top of the pyramid. This is a mathematics name we made in class...
If you mean a pyramid with a four sided base, it is a square pyramid. If you mean one with four faces, it is a tetrahedron.
A expression in maths is a collection of terms without an equality sign.
If by "side" you mean face, you might be referring to a heptagonal pyramid (a pyramid with eight faces).If by "side" you mean edge, you might be referring to a tetragonal pyramid (a pyramid with eight edges).Or, if you mean it has an eight-sided base, your answer would be an octagonal pyramid (a pyramid with an eight-sides base).
"tenth"
What symbol
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