Find the distance between the points (0, 0) and (36, 15). Can you now find the distancebetween the two towns A and B discussed in Section 7.2

Distance between (0, 0) and (36, 15) is:

l = [(36 – 0)2 + (15 – 0)2]1/2


= [1296 + 225]1/2 = (1521)1/2


= 39


Yes, we can find the distance between the given towns A and B. Let us take town A at origin point (0, 0)


Hence, town B will be at point (36, 15) with respect to town A


And, as calculated above, the distance between town A and B will be39 km


10