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What is the definition of a regular pyramid?
A regular pyramid is a right pyramid whose base is a regular polygon. There are only three regular pyramids: a regular tetrahedron, a regular square pyramid, and a regular pentagonal pyramid.
What is the difference between a regular polygon and non-regular polygon?
All the sides of a regular polygon have the same length. If two or more sides of a polygon have different lengths, then the polygon is not regular.
Who many angles does a Irregular polygon have?
an irregular polygon is a polygon that is the opposite of a regular polygon in a regular polygon the sides are the same and the angles are the same and irregular is the opposite.
Why is an equilateral polygon not necessarily a regular polygon?
A regular polygon must be equiangular as well as equilateral. A rhombus is an example of a polygon that is equilateral but not equiangular.
What does it mean when you say a polygon is regular?
A polygon is regular when all its sides are the same length and its internal angles are the same. It is said to be equilateral and equiangular, and that is what a polygon is when it is regular.
Is there a difference between a regular tetrahedron and a non-regular tetrahedron?
Yes. A tetrahedron is a closed 3-d shape with 4 triangular faces. In a regular polygon, each of these is an equilateral triangle.
What is the definition of a regular pyramid?
A regular pyramid is a right pyramid whose base is a regular polygon. There are only three regular pyramids: a regular tetrahedron, a regular square pyramid, and a regular pentagonal pyramid.
What is a polygon with four faces?
Its a tetrahedron
How many internal diagonals are there in a regular tetrahedron?
zero, for any tetrahedron, not just regular
What is the difference between a polygon and a regular polygon?
A regular polygon is one in which all the sides are the same length and also, all the angles are of the same measure. A rhombus, is a four sided polygon (quadrilateral) in which all sides are of equal length. However, in general, it is not regular because the angles are not the same - unless it forms a square.
What is a pyrimad whose base is a regular polygon and whose lateral faces are all congruent?
It is a tetrahedron pyramid that has 4 faces, 6 edges and 4 vertices.
What molecule or ion has a linear shape?
PH3 forms a trigonal pyramid ClO4- forms a perfectly regular trigonal pyramid, known as a tetrahedron BeCl2 ~APEX
What is a 3D shape that is a tetrahedron?
Well, a tetrahedron has four sides. A regular tetrahedron is a triangular pyramid.
Is a hexagon a regular polygon or not a regular polygon?
A 6 sided hexagon polygon can be regular or irregular.
What has five faces but its solid?
A Tetrahedron. The most common form of a tetrahedron is called a regular tetrahedron, or a pyramid
What is A polygon that is not regular?
its a not regular polygon
What is a polygon that has all congruent sides and all congruent angles?
a "regular" one
