SOLUTION: Two points, A and B are on the circumference of a circle whose center is C. The measure of the angle ABC is 72 degrees and the circumference of the circle is 40,000 km. What is the

Algebra ->  Trigonometry-basics -> SOLUTION: Two points, A and B are on the circumference of a circle whose center is C. The measure of the angle ABC is 72 degrees and the circumference of the circle is 40,000 km. What is the      Log On


   



Question 954405: Two points, A and B are on the circumference of a circle whose center is C. The measure of the angle ABC is 72 degrees and the circumference of the circle is 40,000 km. What is the length of the arc from A to B in km?
Confused on how to start solving this question.

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Two points, A and B are on the circumference of a circle whose center is C. The measure of the angle ABC is 72 degrees and the circumference of the circle is 40,000 km. What is the length of the arc from A to B in km?
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If you mean angle ACB:
L = 40000*(72/360) = 8000 km