Q: What shape has an equilateral triangular base three congruent equilateral triangular faces?

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An icosahedron.

The tetrahedron has 4 equilateral triangles as its faces.

what is a shape with six congruent sides? Congruent = similar or fit together well My Answer: CUBE ..._ ./_/| |_|/ * * * * * Or a triangular dipyramid which is two regular tetrahedra (equilateral triangular pyramids) stuck together face-to-face.

It is an octahedron which is one of the Platonic Solids having 8 equilateral triangular faces and 12 edges.

A cube, rectangular prism, or pyramid.

Related questions

An Icosahedron.

An icosahedron.

This shape is called a Icosahedron , I think.

The tetrahedron has 4 equilateral triangles as its faces.

what is a shape with six congruent sides? Congruent = similar or fit together well My Answer: CUBE ..._ ./_/| |_|/ * * * * * Or a triangular dipyramid which is two regular tetrahedra (equilateral triangular pyramids) stuck together face-to-face.

It is an octahedron which is one of the Platonic Solids having 8 equilateral triangular faces and 12 edges.

A triangular prisim (3 faces on sides, one face on bottom).

A cube, rectangular prism, or pyramid.

That shape is a unit equilateral triangular dipyramid, and it has 6 faces.

The regular tetrahedron - one of the 5 platonic solids.

A tetrahedron, also called an equilateral triangular pyramid

In geometry, a deltahedron (plural deltahedra) is a polyhedron whose faces are all equilateral triangles. The name is taken from the Greek upper case delta (Δ), which has the shape of an equilateral triangle.