Question

Name the solid formed by four equilateral traingle

Answer 1

Answer:

Regular tetrahedron is solid formed by four equilateral triangle

Answer 2

A regular Tetrahedron Is A Solid Which Is Formed By Foul Equilateral Triangle.

Some Features Of Regular Tetrahedron Are:

• It is also known as the Triangular pyramid
• All the faces are identical in shape and size
• All angles are congruent.
• Same number of faces meet at the vertex
• Number of faces: 4
• Straight edges: 6
• Vertex corners: 4
• It is the only polyhedron that has less than 5 faces.
• The regular tetra polyhedron is also called self-dual. This implies that its dual is another regular tetrahedron.
• A regular polyhedron has various properties analogous to those of a triangle including, circumsphere, insphere, exspheres, etc
• The tetrahedron center of mass is equal to the arithmetic mean of its four vertices

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