Question

prove that a line has a unique mid point​

Answer 1

Answer:

Thus every line segment has one and only one midpoint. let C and D be 2 mid points of line segment AB. Let us consider AB a line segment. ... 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

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