14. Raj starts from his home heading towards East and walks 12 km. He takes a right turn and walks 9 km. He takes a left turn and walks 12 km. Again he takes a right turn and walks 9 km. How far and in which direction is he from the starting point?
(A) 20 km, North-West
(B) 30 km, North-East
(C) 25 km, South-East
(D) 30 km, South-East
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Answer:
(D) 30 km, South-East
Step-by-step explanation:
As firstly Raj starts heading towards east and walks 12 km then after that he takes a right turn that means he is now moving in south direction and walks another 9 km after that he again takes a left turn that means he is now moving in east direction and covers another 12 km and again takes a right turn i.e. He is moving again in South direction and covers another 9 km.
This journey makes two triangle structure so for calculating its displacement between starting point and ending point will be 30 KM which will be in the South-East direction from his starting point i.e. house.
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