Deepika walks 35m toward west, turns right, walks 15m. She turns to her right and walks 20m, turns right again and walks 15m more. How far is she from the starting point?Select one:a. 15mb. 50mc. 35md. None of the above.
Question
Deepika walks 35m toward west, turns right, walks 15m. She turns to her right and walks 20m, turns right again and walks 15m more. How far is she from the starting point?Select one:a. 15mb. 50mc. 35md. None of the above.
Solution
Deepika's journey can be broken down into four parts:
- She walks 35m west.
- She turns right (which would be north if we assume she started facing north) and walks 15m.
- She turns right again (now facing east) and walks 20m.
- She turns right once more (now facing south) and walks 15m.
At the end of these movements, she is 15m north and 15m east of her original position (35m west).
To find the total distance from her starting point, we subtract the eastward distance she walked from the initial westward distance.
So, 35m (west) - 20m (east) = 15m.
Therefore, she is 15m away from her starting point.
So, the answer is a. 15m.
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