Page 200 - Maths Class 06

(b) By using a pair of compasses
Step 1. Draw a line l and mark a point A on it [Fig. 14.6(a)].

l
A
Fig. 14.6 (a)

Step 2. Open the arms of the com pass so that the end points of the open arms equal to 5.5 cm
[Fig. 14.6(b)].

Compass

A

C.M. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Inch.
6
4
2
1
5
3
Fig. 14.6 (b)
Step 3. Without dis turb ing the open ing of the com passes, place l
A B
its nee dle at the point A and draw an arc to cut the line l at
Fig. 14.7
the point B (Fig. 14.7).
5.5 cm
l
Step 4. AB is the re quired line seg ment of length 5.5 cm.
A B
Fig. 14.8
To Draw a line segment equal to a given line segment

Con struc tion : Draw a line seg ment AB equal to PQ.

Given : A line seg ment PQ.

P Q
Fig. 14.9

Step 1. Draw a line l. Mark a point A on it.

l
A
Fig. 14.10

Step 2. Take the com pass and mea sure PQ (Fig. 14.11).

P Q
Fig. 14.11

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