Q. 24.5( 6 Votes )

Write down the number of edges of each of the following figures:

A. Tetrahedron

B. Rectangular pyramid

C. Cube

D. Triangular prism

Answer :

A. 6


A Tetrahedron has six edges.



OA, OB, OC, AB, AC, BC are the 6 edges.


B. 8


A Rectangular Pyramid has eight edges.



AB, BC, CD, DA, OA, OB, DC, OD are the 8 edges.


C. 12


A Cube has twelve edges.



AB, BC, CD, DA, EF, FG, GH, HE, AE, DH, BF, CG are the edges.


D. 9


A Triangular prism has nine edges.



AB, BC, CA, DE, EF, FD, AD, BE, CF are the9 edges.


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