Question

a man travelled 12 metre towards east direction after then he travel 9 metre in north direction and father travel awards direction then find the magnitude of displacement travel by him​

Answer 1

magnitude of the displacement is

$= \sqrt{12 {}^{2} + 9{}^{2} } \\ = \sqrt{144 + 81} \\ = \sqrt{225} \\ = 15 \: \: metre$

Answer 2

Answer:

15 m...................