Question

prove that every line segment has a unique mid point​

Answer 1

Answer:

suppose D is the another mid point of AB,AD=DB C is the midpoint of AB,Account=CB therefore AC-AD=CB-DB DC=-DC DC+DC=0 2DC=0 DC=0÷2 DC=0;therefore c and d are coincide. Thus every line segment has one and only one midpoint.

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