Total number of regular polyhedra is ______. Fill in the blanks to make the statement true.
Solution:
Given, Total number of regular polyhedra is ______.
We have to fill in the blanks to make the statement true.
A solid is a polyhedron if it is made up of only polygonal faces, the faces meet at edges which are line segments and the edges meet at a point called vertex.
A polyhedron is regular if its faces are congruent regular polygons and the same number of faces meet at each vertex.
There are 5 regular polyhedra.
(i) tetrahedron with 4 faces
(ii) cube with 6 faces
(iii) octahedron with 8 faces
(iv) dodecahedron with 12 faces
(v) icosahedron with 20 faces
Therefore, the number of regular polyhedra are 5.
✦ Try This: In a _______, the number of faces and the number of vertices are always equal. Fill in the blanks to make the statement true
☛ Also Check: NCERT Solutions for Class 8 Maths Chapter 10
NCERT Exemplar Class 8 Maths Chapter 6 Problem 39
Total number of regular polyhedra is ______. Fill in the blanks to make the statement true.
Summary:
Total number of regular polyhedra is 5.
☛ Related Questions:
- A regular polyhedron is a solid made up of ______ faces. Fill in the blanks to make the statement tr . . . .
- For each of the following solids, identify the front, side and top views and write it in the space p . . . .
- The other name of cuboid is tetrahedron. State whether the statement is true or false
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