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.

Rate this question :

A polyhedron has 20 faces and 12 vertices. Find the edges of the polyhedron.

NCERT - Mathematics ExemplarHow many faces are there in a

A. cube

B. pentagonal prism

C. tetrahedron

D. pentagonal pyramid?

RS Aggarwal - MathematicsHow many vertices are there in a

A. cuboid

B. tetrahedron

C. pentagonal prism

D. square pyramid?

RS Aggarwal - MathematicsUsing Euler’s formula find the unknown:

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

A. Cuboid

B. Square pyramid

C. Tetrahedron

D. Triangular prism

RS Aggarwal - MathematicsWrite down the number of edges of each of the following figures:

A. Tetrahedron

B. Rectangular pyramid

C. Cube

D. Triangular prism

RS Aggarwal - MathematicsHow many edges are there in a

A. cuboid

B. tetrahedron

C. triangular prism

D. square pyramid?

RS Aggarwal - MathematicsFill in the blanks to make the statements true:

A pyramid on an *n* sided polygon has ………… faces.