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Rollercoaster slopes

by Tori

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42
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Rollercoaster slopes

Act One

  • Tori

    Tori

    September 29, 2013

    How steep is the slope on the left compared to the slope on the right?

Act Two

  • 1.

    Can you superimpose any right-angled triangles on the picture?

  • 2.

    Can you measure the side lengths or angles of the right-angled triangles?

  • 3.

    How can ratio and similar triangles help you?

Act Three

  • ImageRollercoaster trig solution
  • Teacher note
    The slopes could be described using gradient or angles of elevation. Measuring the lengths of each side can allow you to calculate either.

Sequel

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