Question 369423: Megan broke the fan belt on her car. the belt goes around two pulleys whose centers are 15 inches apart and each pulley is 4 inches in diameter. how long should the belt be? Answer by robertb(4012) (Show Source):
You can put this solution on YOUR website! The exposed parts of the belt should be 15 in. + 15 in. = 30 inches long. The parts in contact with the pulleys should be the sum of the half-circumferences of the two pulleys. That would just give the whole circumference of one of the pulleys, or . Therefore the total length of the belt should be inches.