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I travel 20 miles towards north and then travel 25 miles eastward. I then travel 40 miles rightwards, then travel 30 miles towards left and then travels 12 miles to the left and finally 20 miles northwards. How far am i pproximately from my original destination and in what direction ?20 miles towards south13 miles towards south-west 12 miles towards east 13 miles towards north-eastNone

Question

I travel 20 miles towards north and then travel 25 miles eastward. I then travel 40 miles rightwards, then travel 30 miles towards left and then travels 12 miles to the left and finally 20 miles northwards. How far am i pproximately from my original destination and in what direction ?20 miles towards south13 miles towards south-west 12 miles towards east 13 miles towards north-eastNone

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Solution

Let's break down the journey:

  1. You start by traveling 20 miles north.
  2. Then you travel 25 miles east.
  3. "Traveling rightwards" would depend on the direction you were facing. Since you were traveling east, turning right would mean you are now traveling south. So you travel 40 miles south.
  4. "Traveling left" from a southern direction means you are now traveling east. So you travel 30 miles east.
  5. "Traveling left" from an eastern direction means you are now traveling north. So you travel 12 miles north.
  6. Finally, you travel 20 miles north.

Now, let's calculate the total distance traveled in each cardinal direction:

  • North: 20 miles + 12 miles + 20 miles = 52 miles
  • East: 25 miles + 30 miles = 55 miles
  • South: 40 miles
  • West: 0 miles

To find out how far you are from your original position, we subtract the total distance traveled south from the total distance traveled north, and the total distance traveled west from the total distance traveled east:

  • North-South: 52 miles - 40 miles = 12 miles
  • East-West: 55 miles - 0 miles = 55 miles

So, you are 12 miles north and 55 miles east of your original position.

To find the straight-line distance from your original position, we can use the Pythagorean theorem, which states that the square of the hypotenuse (the distance from your original position) is equal to the sum of the squares of the other two sides.

So, the distance is sqrt((12 miles)^2 + (55 miles)^2) = sqrt(144 + 3025) = sqrt(3169) = approximately 56.3 miles.

The direction from your original position can be found using the tangent of the angle, which is the eastward distance divided by the northward distance. The arctangent of (55 miles / 12 miles) is approximately 77.47 degrees. This is measured from the north, moving clockwise, so the direction is approximately 77.47 degrees east of north, or slightly east of northeast.

So, the answer is: You are approximately 56.3 miles from your original position, in a direction slightly east of northeast.

This problem has been solved

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