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Jake was cycling from his to home to the museum. To reach there, he rides 10 km towards the West and turns to his left and rides for another 5 km. He then turns to his left and rides for another 5 km. He then turns to his right and rides for another 2 km. He finally turns to his left and rides 5 km and reaches his destination. How far is Jake from his initial point and in which direction?

Question

Jake was cycling from his to home to the museum. To reach there, he rides 10 km towards the West and turns to his left and rides for another 5 km. He then turns to his left and rides for another 5 km. He then turns to his right and rides for another 2 km. He finally turns to his left and rides 5 km and reaches his destination. How far is Jake from his initial point and in which direction?

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Solution

To solve this problem, we can visualize Jake's journey on a grid.

  1. Jake starts at his home and rides 10 km west. Let's call this point A.

  2. He then turns left, which would be south on a compass, and rides 5 km. Let's call this point B.

  3. He turns left again, which would be east on a compass, and rides another 5 km. Let's call this point C.

  4. He then turns right, which would be south on a compass, and rides 2 km. Let's call this point D.

  5. Finally, he turns left, which would be east on a compass, and rides 5 km to the museum. Let's call this point E.

Now, to find out how far Jake is from his initial point (his home), we need to calculate the distance between his home and the museum (point E).

Looking at the grid, we can see that Jake is 2 km east (from point C to E) and 5 km south (from point A to B) from his initial point.

Using the Pythagorean theorem (a² + b² = c²), where a is the distance east, b is the distance south, and c is the distance from his home to the museum, we can calculate:

a² = 2² = 4 b² = 5² = 25

So, c² = a² + b² = 4 + 25 = 29

Therefore, c = √29 = approximately 5.39 km

So, Jake is approximately 5.39 km from his initial point.

As for the direction, since Jake is 2 km east and 5 km south from his initial point, he is in the southeast direction from his initial point.

This problem has been solved

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