SOLUTION: The minute hand of a clock is 8 inches long and the tip of the hand travels 20 inches around. how many degrees does the minute hand rotate?

Algebra ->  Trigonometry-basics -> SOLUTION: The minute hand of a clock is 8 inches long and the tip of the hand travels 20 inches around. how many degrees does the minute hand rotate?      Log On


   

Question 967157: The minute hand of a clock is 8 inches long and the tip of the hand travels 20 inches around. how many degrees does the minute hand rotate?
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
The circumference is +2%2Api%2Ar+=+2%2A3.141%2A8+
+2%2A3.141%2A8+=+50.2655+
ratio:
+20+%2F+50.2655+=+x+%2F+360+
+20%2A360+=+50.2655x+
+50.2655x+=+7200+
+x+=143.24+
The minute hand rotates 143.24 degrees