Question

sarika starts journey on a car from her house and travels a distance of 4km towards east where her friend shalini lives she picks up shalini and moves towards school which is located at a distance of 4km towards north with respect to shalini's house find out the distance and displacement​

Answer 1

Answer:

Explanation:

in east = 4km

in north = 4km

total distance travelled= 4+4= 8km

                    /I                      using pythagoras theorem:

           X    /   I     ^ north                 $\sqrt{4^{2} +4^{2} }$ = $\sqrt{32}$= $4\sqrt{2}$,  answer

              /       I    4

           /  ___  I

                4         > east

Answer 2

Answer:

(AC) square= (AB)square +(BC) square

(AC) square=(4) square+(4) square

(AC) square=16+16

(AC)=root 16+16

AC=4root2