CPM Homework Help : MC1 Problem 9-82

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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.

Answer (a):
$w + w + w + 4 = 40$
$3w + 4 = 40$
$3w = 36$
$w = 12$

Hint (b):
Remember that the angles of a triangle add up to $180$ degrees.

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