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10-19.
  1. THE COUNTY FAIR FERRIS WHEEL
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  2. Consider this picture of a Ferris wheel. The wheel has a 60‑foot diameter and is drawn on a set of axes with the Ferris wheel’s hub (center) at the origin. Use a table like the one below to draw a graph that relates the angle (in standard position) of the spoke leading to your seat to the approximate height of the top of your seat above or below the height of the central hub. The table below starts at –90º, your starting position before you ride around the wheel.

  3. Angle

    –90°

    – 45°

    45°

    90°

    135°

    180°

    ....

    270°

    Height

    –30'

    1. The wheel goes around (counter-clockwise) several times during a ride. How can you reflect this fact on your graph? Update your graph.

    2. What is the maximum distance above or below the center hub that the top of your seat attains during the ride?

    3. Write an equation to model the County Fair Ferris wheel ride.

Include angle measures greater than 360° in your graph.

Draw a triangle at −45° and solve for the height. The hypotenuse(radius) is 30'.

30'

y = 30 · sin(x)