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math

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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?

  • math - ,

    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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