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Two regular tetrahedrons connected face to face make a "regular triangular dipyramid."
That is one of the 92 "Johnson solids." Those are the convex polyhedrons whose faces are regular polygons but do not belong to either of the two sets of highly symmetric polyhedrons (the Platonic and the Archimedean) or to the perhaps less interesting two infinite families of prisms and antiprisms.
If the two tetrahedrons overlap, both centers at the same place but with the tetrahedrons facing in opposite directions, it makes a "stellated octahedron."
What else can I help you with?
What is the name of a 3D diamond called?
an octahedron: basically two square based pyramids with their bases stuck together.
Two angles which added together make 90' are called?
Two angles which added together make 90o are called Complementary angles
What does a regular octahedron look like?
It look like two square based pyramids stuck together on their square sides.
What do two tetrahedrons joined face to face make?
A regular triangular dipyramid. It is one of the 92 "Johnson solids". Those are the convex polyhedra whose faces are regular polygons, but do not belong to either of the two sets of highly symmetric polyhedra (the Platonic and the Archimedean), or to the perhaps less interesting two infinite families of prisms and antiprisms.
What 3d shapes have 6 faces?
A triangular bipryramid (two triangular pyramids stuck together on one face), a parallelepiped (like a squished cuboid), a pentagonal pyramid. A cube or rectangular prism are special cases of a parallelepiped.
Is a three dimensional diamond a prism?
More like two tetrahedrons stuck together.
What does a 9 edged 3d shape look like?
It is impossible to tell. Two possible shapes are a triangular prism, or di-tetrehadron (two tetrahedrons stuck together at their bases).
What 3d shape has 6 triangular faces?
A hexahedron or a triangular dipyramid. This is the shape formed by two triangular pyramids (tetrahedrons) stuck together along one triangular face.
What solid figure has 4 more edges than vertices?
A triangular dipyramid (two tetrahedrons or triangular pyramids stuck together) has 9 edges and 5 vertices. A parallelepiped (including cuboid) has 12 edges and 8 vertices
What is it called when to objects stick together after a crash?
It is called interlocking, where two objects become entwined or stuck together after a collision.
Why are two flies stuck together?
Two flies may become stuck together due to a mating behavior called "mating in copula," where the male and female flies physically connect during reproduction.
What is the medical term for when two toes are stuck together?
The medical term for when two toes are stuck together is syndactyly.
What is a two pyramids stuck together in diamond shape called?
Octahedron https://en.wikipedia.org/wiki/Octahedron
What is the name of a 3D diamond called?
an octahedron: basically two square based pyramids with their bases stuck together.
What are love bugs?
Love bugs are two bugs that are stuck together. They're called love bugs because they're together all the time like a couple.
What force is caused by tiny collisions called microwelds on surface tjat are stuck together?
The force caused by tiny collisions called microwelds on surfaces that are stuck together is called friction. Friction is the resistance to motion when two surfaces are in contact with each other. Microwelds are small points of contact where atoms on the surfaces bond together, creating resistance to movement.
What is the sign for pisices?
two cat fish stuck together
