### Home > MC1 > Chapter 9 > Lesson 9.2.3 > Problem 9-82

9-82.

Write an equation that represents each diagram below and find the value of the variable.

Remember that the angles of a triangle add up to

degrees.

9-82.

Write an equation that represents each diagram below and find the value of the variable.

Remember that the angles of a triangle add up to

degrees.