Answer:
To
describe the position of an object we need to specify a reference point called
the origin.
e.g., suppose that a library in a city is 2 km north of the railway
station. We have specified the position of the library with respect to the
railway station i.e., in this case, the railway station acts the reference
point.
(1
+1)
You need to login to perform this action.
You will be redirected in
3 sec