IF A,B,C are three points on a line and B lies between A and C PROVE THAT AB + BC =AC. STATE EUCLID AXIOMS OR POSTULATE

since B is the midpoint

=AC=1/2AB

AC=1/2BC

AC=1/2AB+1/2BC

THEREFORE AC=AB+BC

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axiom 3 if equals are subtracted from equals then the wholes are equal

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AB = BC (given)

AB = AC-BC

BC = AC-AB

NOW AB= BC 

THEN FROM 1 & 2

AB+BC = AC-BC+AC-AB

OR

AB+ BC = AC

ITS 3 POSTULATE....

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if one gonnamany two gonna many answer is the answer not any questions
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your ans
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AB=BC(GIVEN) AB=AC-BC__________1 BC=AC-AB__________2 NOW AB=BC THEN FROM 1&2 AB+BC=AC-BC+AC-AB
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