Page 119 - Revised Maths Wisdom Class - 3
P. 119
Geometry 117
Cuboids
vertex
Cone curved face
In a cone, one face is plane and other is curved. A cone
has 2 faces, 1 edge and 1 vertex. Plane face edge
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Cones
plane face
Cylinder
In a cylinder, two faces are plane and one face is curved. curved face
A cylinder has 3 faces, 2 edges and no vertex. plane face edge
Cylinders
Sphere
A sphere is all round. It has only one face. A sphere has 1 curved face but
no edges and no vertex.
Spheres
Exercise 8E
1 Fill in the blanks:
(a) A sphere has one ______________ face. (plane/curved)
(b) A cylinder has one ______________ face and two ______________ faces. (plane/
curved)
