Question

A boy first goes 12 m due north and then 9 m due east. Find the distance between the initial and final position of the boy.

Answer 1

Answer:

15

Step-by-step explanation:

√(12^2+9^2)=15

√(144+81)=√225

Answer 2

Answer:

15

Step-by-step explanation:

By Pythagoras theorem ,

12^² + 9^² = x^²

=> 144+81=x²

=> 225=x²

=> √225=x

=>15=x

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