Question

Rahul is walking in west direction. After walking for 15 km, he takes a right turn, and walks for another 8 km. He is at a distance of ............... meters from starting point

Answer 1

Answer:

shortest distance between starting and ending = 17 km

Step-by-step explanation:

By Pythagoras theorem,

the square on the hypotenuse of a right-angled triangle is equal in area to the sum of the squares on the other two sides.

${15}^{2} + {8}^{2} = √289 = 17$

Answer 2

Answer:

Rahul is walking in west direction. After walking for 15 km, he takes a right turn, and walks for another 8 km. He is at a distance of .....17..... meters from starting point

Distance = √15² + 8²

               = √225 + 64

               = √289

               = 17 cm

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