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3. Complete the following table.

Name of Number of Number of Number of Number Number
shape faces plane faces curved faces of edges of vertices

a. Cube

b. Cuboid
c. Cylinder

d. Cone

e. Sphere
f. Hemisphere

4. Match the following nets to the appropriate solids given below.
i. ii. iii. iv.

a. b. c. d.

5. Draw different types of prisms and pyramids on the dotted space given below.

6. Count the number of faces (F), edges (E), and corners (V) of the solids you drew in the
previous question. Calculate F + V – E in each case. What do you notice?

7. Count the number of cubes used to make these models.

a. b. c.

116 Mathematics 4