CPM Homework Banner

Home > INT2 > Chapter 1 > Lesson 1.3.4 > Problem 1-110


Use the Triangle Angle Sum Theorem to write an equation and solve for in each diagram below. Show all work.

  1. Triangle with angles x at top left, 80 degrees at bottom, and 40 degrees at upper right.

    There are degrees in every triangle.

  1. Triangle with angles 96 degrees at the top, 2x at bottom left, and x + 12 degrees at bottom right.

  1. How can you verify that your answer for part (b) is correct?