Construct AB of length 7.8 cm. From this, cut off the AC of length 4.7 cm. Measure BC

Solution:

With the help of a ruler and a compass, we can draw a line segment by following steps:

Given: Length of AB = 7.8 cm and length of AC = 4.7 cm.

Steps of construction:

Step 1: Construct a line l and mark a point A on it.

Step 2: Place zero mark of the ruler at A.

Step 3: Expand the compasses up to 7.8 cm and mark a point B at a distance of 7.8 cm from point A.

Hence, AB is the line segment of 7.8 cm

Step 4: Put the pointer of compasses at point A and mark another point C at a distance of 4.7 cm from A such that AC = 4.7 cm.

Step 5: Now, measure the length of points B and C.

We find that BC = 3.1 cm.

NCERT Solutions for Class 6 Maths Chapter 14 Exercise 14.2 Question 3

Construct AB of length 7.8 cm. From this, cut off the AC of length 4.7 cm. Measure BC.

Summary:

Construct AB of length 7.8 cm. From this, cut off the AC of length 4.7 cm. The measure of BC is 3.1 cm.

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