Q44 of 102 Page 181

State whether the statements are true (T) or false (F).

A polyhedron with least number of faces is known as a triangular pyramid.

The minimum faces a polyhedron can have is 4 and is called a triangular pyramid or a tetrahedron.

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42

State whether the statements are true (T) or false (F).

The other name of cuboid is tetrahedron.

 43

State whether the statements are true (T) or false (F).

A polyhedron can have 3 faces.

 45

State whether the statements are true (T) or false (F).

Regular octahedron has 8 congruent faces which are isosceles triangles.

 46

State whether the statements are true (T) or false (F).

Pentagonal prism has 5 pentagons.