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Home > GC > Chapter 4 > Lesson 4.1.1 > Problem 4-6

4-6.

Use what you know about the angles of a triangle to find the value of and the angles in each triangle below.  

Use the Triangle Angle Sum Theorem, explained in the Math Notes box in Lesson 2.2.1.

  1. A right triangle with angles 90 degrees, 79 degrees, and x.

  1. A right triangle with angles 90 degrees, x, and x.

  1. A right triangle with angles 90 degrees, 2, x , and x.

  1. A right triangle with angles 90 degrees, 22 degrees, and x.

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