Page 120 - Revised Maths Wisdom Class - 3

118 MATHS

(c) A cone has ______________ curved face. (one/two)

(d) A cuboid has no ____________ face but ____________ plane faces. (six/curved)

(e) A dice is a ______________ used for playing indoor games. (cube/cylinder)

(f) A chalk is a ______________ used to write on the blackboard. (cone/cylinder)

(g) A book is a ______________ which tells you interesting stories. (sphere/cuboid)

(h) A ball is a ______________ with which you play in the ground. (cube/sphere)

3 Give one word answer.
© G. Ram Books (P.) Ltd.©
(a) A solid which has three faces. ___________________

(b) A solid which has only one face. ___________________

(c) A solid which has only one edge. ___________________

(d) A solid which has only two edges. ___________________

(e) A solid which has only one vertex. ___________________

4 Circle the correct option.

(a) A tube light cylinder/cone

(b) A dice cube/cuboid

(c) A book cube/cuboid

(d) A globe sphere/cylinder

(e) A birthday cap cube/cone

(f) A batt ery cell cone/cylinder

Symmetry

When a given fi gure can be divided into two equal halves, the fi gure is called symmetrical.

The line which divides a given fi gure into two equal halves is called the line of symmetry.
In the above examples the dott ed lines are lines of symmetry.