Page 116 - Revised Maths Wisdom Class - 3

114 MATHS

Exercise 8B

1 Measure the length of the following line segments using a ruler.

(a) P Q (b) A B

(c) X Y

2 Draw line segments of the following lengths in your notebook.
(a) 6 cm (b) 4 cm (c) 8 cm (d) 11 cm

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Open and Closed Figures

Open fi gures are those fi gures whose ends never meet. They always have two end points.

(a) (b) (c) (d)

All the fi gures shown above are open fi gures.

Closed fi gures are those fi gures whose ends are joined. They do not have end points.

(a) (b) (c) (d)

All the fi gures shown above are closed fi gures.

Exercise 8C

1 Write O under open fi gures and C under closed fi gures.

(a) (b) (c) (d)

(e) (f) (g) (h)