UNIT-6
(c)
(d)
In each of the questions 42 to 61, state whether the following
statements are true (T) or false (F).
42. The other name of cuboid is tetrahedron.
43. A polyhedron can have 3 faces.
44. A polyhedron with least number of faces is known as a triangular
pyramid.
45. Regular octahedron has 8 congruent faces which are isosceles
triangles.
Think
Think
Think
and
and
and
Discuss
Discuss
Discuss
Think
Think
and
and
Discuss
Discuss
1. Explain
how to identify a prism or a pyramid.
2. Compare and contrast
cylinders and prisms. How are they alike? How
are they different?
3. Compare and contrast
pyramids and cones. How are they alike? How
are they different?
V V V V V
S S S S S
S S S S S
189
189
189
189
189
ISUALISING
ISUALISING
OLID
OLID
HAPES
HAPES
ISUALISING
ISUALISING
ISUALISING
OLID
OLID
OLID
HAPES
HAPES
HAPES