SOLUTION: please please help me with this problem.ive tried and tried and i still cant get the answer. If the latitude of Chicago is about 42degrees and the radius of the earth is about 400

Algebra ->  Trigonometry-basics -> SOLUTION: please please help me with this problem.ive tried and tried and i still cant get the answer. If the latitude of Chicago is about 42degrees and the radius of the earth is about 400      Log On


   



Question 38303: please please help me with this problem.ive tried and tried and i still cant get the answer. If the latitude of Chicago is about 42degrees and the radius of the earth is about 4000 miles, how far is Chicago from the equator?(use pi=3.1416)
Answer by Nate(3500) About Me  (Show Source):
You can put this solution on YOUR website!
You need to know the distance of the circumference:
C=%28pi%29r%5E2
C=%283.1416%29%284000%29%5E2
C=50265600
Know, we know that 360 degrees is equal to a circle, so 42/360 is to be used.
(42/360)(C)=distance
The distance should be 5,864,320 miles.