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Home > INT2 > Chapter 10 > Lesson 10.2.5 > Problem 10-111

10-111.

In the diagram at right, is a diameter of . If and , use the relationships shown in the diagram to solve for the quantities listed below.  Homework Help ✎

Circle

  1. Start by finding the measure of .

    Use the Inscribed Angle Theorem, explained in the Math Notes box in Lesson 10.1.3 to determine the measure of: .

    Since  is a right triangle: 

     units

  1. length of the radius of

    Use the diameter, , to find the radius

  1. Use trigonometry to find the measures of the acute angles in .