Question

A boy started from his house and walked 20 m towards right turned right and walked x metre. Again took a right turn and walked 32 m and found that his displacement from his house as 13 m. Find the value of x =​

Answer 1

Answer:

Distance between A's office and B's office can be calculated using Pythagoras theorem :

(Hypotenuse)2 = (Base)2 + (Height)2

Therefore,

Distance between A's office and B's office = 152 + 82 = 225 + 64 = 289 = 17

Hence, 17 is the correct answer.