1.

If A, B and C are three poins on a line and B lies between A and C, then prove that AB + BC = AC.

Answer»

Solution :In the FIGURE GIVEN above,AC and AB + BC COINCIDE each other.
Also Euclid's axiom (4) SAYS that things which coincide with one another are equal to one another. So it can be DEDUCED that
`AB+BC=AC`


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