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Home > GC > Chapter 2 > Lesson 2.2.1 > Problem 2-63

2-63.

Examine the triangle below.

  1. If and , then what is ?

  2. Solve for if , and . Then find

    Use the same method as part (a).

  3. If , what type of triangle is ?

    It is an equilateral triangle.

    Look at the Math Notes Box in Lesson 2.2.1 (on page in the student text).