In the following figure, if AC = 10 cm and BC = 7 cm then AB is:
3 cm
2 cm
17 cm
5 cm
From the figure, we have
AB = AC - BC = 10 - 7 = 3 cm
In figure, M, N and P are the mid-points of AB, AC and BC respectively. If MN = 3cm, NP = 3.5cm and MP = 2.5cm, calculate BC, AB and AC.