If P,Q and R are three points on a line and Q lies between P and R then show that PQ + QR = PR.(by using euclid's axioms)

since P and R are equal to Q

we can say that PQ+QR=PR

Things equal to same thing are equal to each other

since P and R are equal to Q

we can say that PQ+QR=PR

Things equal to same thing are equal to each other

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