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Rohan moves 1 km to East and then turn to South and moves 5 km. He again turns to East and walks 2 km. After this, he turns to North and moves 9 km. What is the distance from his starting point to the present point?
  • a)
    13 km
  • b)
    08 km
  • c)
    05 km
  • d)
    16 km
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
Rohan moves 1 km to East and then turn to South and moves 5 km. He aga...
Steps to find the distance from the starting point to the present point:

Step 1: Moving East
- Rohan moves 1 km to the East.

Step 2: Moving South
- After moving East, Rohan turns South and moves 5 km.

Step 3: Moving East again
- Next, Rohan turns East and walks 2 km.

Step 4: Moving North
- Finally, Rohan turns North and moves 9 km.

Calculating the distance from the starting point to the present point:
- Distance moved in the North direction = 9 km
- Distance moved in the South direction = 5 km
- Net distance in the North direction = 9 km - 5 km = 4 km
- Distance moved in the East direction = 2 km
- Net distance in the East direction = 1 km + 2 km = 3 km
- Using Pythagoras theorem,
- Distance from the starting point to the present point = √(3^2 + 4^2) = √(9 + 16) = √25 = 5 km
Therefore, the distance from Rohan's starting point to the present point is 5 km. Hence, option (c) 5 km is the correct answer.
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Rohan moves 1 km to East and then turn to South and moves 5 km. He aga...
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Rohan moves 1 km to East and then turn to South and moves 5 km. He again turns to East and walks 2 km. After this, he turns to North and moves 9 km. What is the distance from his starting point to the present point?a)13 kmb)08 kmc)05 kmd)16 kmCorrect answer is option 'C'. Can you explain this answer?
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