Question

option from the given alternatives.
A and B start walking from a common point. A goes 20 km towards s
towards east. B travels 4 km towards east and then 8 km towards nort
from his starting point?​

Answer 1

Answer:

Explanation:

Both A and B are at the same point.

Given:

Distance covered by A is 20 km towards North-East

B goes 15 km towards east and then 12 km towards north

To find:

The distance between A and B

Solution:

From the given data, can see that distance covered by A = the displacement of B from the starting point.

Distance covered by A is 20 km towards North-East,  

i.e. in a diagonal line A travels for 20 km.

This is nothing, but displacement of A.

And as for B, B goes 15 km towards east and then 12 km towards north.

I.e. B goes 15kms in straight line towards right side and then turns 900 towards north and goes 12 km

Hence, the displacement for B will be 20km along the North East Direction = Distance travelled by A = Displacement for A from starting point.

Hence, the both finish at the same point.