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3-94.

Use your observations from problem 3-92 to answer the following questions: Homework Help ✎Triangle and Signal Light

  1. Thalia did not have a tool to help her determine the slope angle θ in the triangle at right. However, she claims that the slope angle has to be more than . Do you agree with Thalia? Why?

    An isosceles right triangle has a slope of and slope angle of . Does this triangle have a larger or smaller ratio? What does this tell us about the slope angle?

    Yes, because the slope ratio is greater than ,the angle must be greater than .

  2. Lyra was tryPart b right triangle where one of the acute angles is 19 degrees.ing to determine the slope ratio for the triangle at right, and she says the answer is = 2.675. Isiah claims that cannot be correct. Who is right? How do you know?

    Use the same method as in part (a).

  3. Part C right triangle. The legs are labeled x and 9.  The angle opposite the side length of 9 is 76 degrees.Without determining the actual value, what information do you know about x in the diagram at right?

    If the slope angle is , is the slope ratio more than or less than ?
    Does this mean that is greater than or less than ?