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A heptagonal pyramid and a square based dipyramid are two possibilities. There are others.

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Q: Polyhedron that has 8 faces and with some equilateral triangles?
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Related questions

Are some isosceles triangles equilateral triangles?

All isosceles triangles are not equilateral triangles


Some equilateral triangles are not isosceles?

All isosceles triangles are not equilateral triangles


Are some right triangles have equilateral triangles?

No. For it to be equilateral it can't be a right triangle.


Dodecahedron has triangular faces?

A dodecahedron is a polyhedron with 12 faces. There are 6,384,634 topologically distinct convex dodecahedra with 8 or more vertices. A hexagonal bipyramid, a dodecadeltahedron, a triakis tetrahedron are examples of dodecahedra all of whose faces are triangles. There are many more dodecahedra in which some, but not all, faces are triangles.


Does a musical triangle have to be equilateral?

No, some early musical triangles were isosceles triangles, most modern musical triangles are equilateral.


Are some equilateral triangles scalene?

No, a scalene is a scalene and an equilateral is an equilateral. They are NOT the same.


Are some right triangles also the same as equilateral triangles?

No...


Are triangles equilateral?

Some triangles are equilateral, but not all of them. There are three types of triangles. Triangles which have three equal sides and three equal angles are called equilateral triangles. Isosceles triangles have two equal sides and two equal angles. Scalene triangles have no equal sides and no equal angles.


Are some right triangles also equilateral triangles?

no because an equilateral triangle has 3 sides that have equal angles and is not 90 degrees


Are some right triangles are also equilateral triangles?

No because all right triangles have 2 legs and a hypotenuse. The hypotenuse is always longer than either leg so right triangles can't be equilateral triangles.


Is a scalene triangle an equilateral triangle?

technically, triangle classes have a bulls-eye type name graph, with equilateral triangles in the middle, then isosceles, then scalene, so technically, some scalene triangles are isosceles and some are equilateral, but not all are.


How many short isosceles triangles are needed to build one great Icosahedron?

According to some definitions an icosahedron is considered a Platonic solid so that each of its faces is an equilateral triangle. You would, therefore need three coplanar isosceles triangles to make each face of the icosahedron. Since there are 20 faces in an icosahedron, you would need 60 such triangles.