Question

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

Answer 1

AB = BC (given)

AB = AC-BC.......(1)

BC = AC-AB........(2)

NOW AB= BC 

THEN FROM 1 & 2

AB+BC = AC-BC+AC-AB

OR

AB+ BC = AC

ITS 3rd POSTULATE

Answer 2

Answer:

Step-by-step explanation:

AB = BC (given)

AB = AC-BC.......(1)

BC = AC-AB........(2)

NOW AB= BC

THEN FROM 1 & 2

AB+BC = AC-BC+AC-AB

OR

AB+ BC = AC

ITS 3rd POSTULATE

Mark it as BRAINLIEST

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