Question

A boy moves 3 km east, 4 km north and 5 km east. Then what will be it's displacement?​

Answer 1

Explanation:

drow the lines as given in question then you will get your answer ok...

join 2 end points by Imaginary line and solve the question

after joining the imaginary line you will get two triangles

am not solving because if you solve as above tips I given you will remember the steps to solve this type of question

Answer 2

Answer:

5km is anwer because by applying Pythagoras theorem