Answer :

Guven B is the mid point of AC .

\(\therefore \) AB = BC …(i)

Given, C is the mid-point of BD .

BC = CD .... (ii)

From Eq.(i) and (ii), We have

AB = CD

- Q.1 What is the disadvantage in comparing line segments by mere observation?
- Q.2 Why is it better to use a divider than a ruler, while measuring the length of a line segment?
- Q.3 Draw any line segment, say \(\overline {AB} \). Take any point C lying in between A and B. Measure the lengths of AB, BC and AC. Is AB = AC + CB? [Note: If A, B, C are any three points on a line such AC + CB = AB, then we can be sure that C lies between A and B]
- Q.4 If A, B, C are three points on a line such that AB = 5 cm, BC = 3 cm and AC = 8 cm, which one of them lies between the other two?
- Q.5 Verify, whether D is the mid point of\(\overline {AG} . \)
- Q.7 Draw five triangles and measure their sides. Check in each case, if the sum of the lengths of any two sides is always less than the third side.

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- NCERT solutions for class 6 maths chapter 2 Whole Numbers
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