math

posted by maddie

mae has a oval racetrack. 2 curves, each is 1/2 of the circle and each on a radius of 21". 2 straight-aways connect the circle and are 46" long. what is the total distance around the circle?

  1. Reiny

    Did you mean,
    What is the distance around the track?

    distance around the circle = 2π(21) = 42π or appr. 131.95 "

    so around the track :
    we would simply add 2(46) to that to get
    223.95 "

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