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Home > A2C > Chapter 4 > Lesson 4.1.2 > Problem 4-30

4-30.

Solve for the indicated value. Leave your answer in exact form.  

  1.  _______

    Right triangle, sides labeled as follows: vertical leg, a, b, is 6, horizontal leg, b, c, is 5, hypotenuse, a, c, is, x.

    Use the Pythagorean Theorem.

  1. _______

    Right triangle, sides labeled as follows: vertical leg, a, b, is e, hypotenuse, a, c, is, 6.

    Use the Pythagorean Theorem to find the missing side. Is the triangle a special one?

    This is a triangle. Therefore,  is .

  1. ____

    Right triangle, sides labeled as follows: vertical leg, a, b, is 5, horizontal leg, a, c, is 4.

    The inverse tangent function will be helpful here.

  1. _______

    Right triangle, sides labeled as follows: vertical leg, b, c, is, a, hypotenuse, a, c, is 10. Angle, c, labeled, 30 degrees.

    Use the cosine ratio or special right triangles.