Introducing your new favourite teacher - Teachoo Black, at only ₹83 per month
Last updated at May 29, 2018 by Teachoo
Example 1 If A, B and C are three points on a line, and B lies between A and C then prove that AB + BC = AC. In the figure given above, AC coincides with AB + BC. From Euclid’s Axiom 4 : Things which coincide with one another are equal to one another. So, we can write AB + BC = AC