Answer :
Final answer:
The difference in latitude between two cities 625 miles apart, given Earth's radius of 4000 miles, is approximately 9 degrees.
Explanation:
The subject of this question seems to be related to Earth's geometry and the concept of latitude, which falls under the realm of Mathematics and Geography. To solve the problem, we can use the concepts of geometry and ratios. Since we know that the circumference (distance all the way around the circle or sphere) of the Earth is 2πr where r is the radius of the Earth, we can say the circumference of the Earth is approximately 2π*4000 = 25,132 miles.
Now, if 25,132 miles corresponds to 360 degrees (since a full circle consists of 360 degrees), we can set up the ratio 625 miles/x degrees = 25,132 miles/360 degrees to find the degrees that correspond to the 625-mile distance between cities. By cross multiplying and simplifying, we obtain x = (625*360)/25,132, approximately equal to 8.948 or rounded up, 9 degrees.
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