P, Q, and R are 3 points on a straight line. QP = 5 cm, PR = 10 cm and QR = 15 cm.
Which points are the end points and which point lies between the other two points?
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Solution
We can see that QP + PR = 5 + 10 = 15 cm = QR
Therefore, Q and R points are the end points and P lies between Q and R.