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Home > CCG > Chapter 7 > Lesson 7.2.3 > Problem 7-77
7-77.
If
and , what is ? Show all work. How do the angles of a triangle relate to each other? How will this help you solve for
? Then how are and related? If
and , then what is ? Use similar methods to those used for part (a). The methods might be used in a different order.