Homework Help: Geometry

Posted by Clarissa on Wednesday, January 5, 2011 at 1:14am.

The measure of a single angle in a regular octagon is (4x + 12)°. Find the value of x. Show equations and all work that leads to your answer

Geometry - drwls, Wednesday, January 5, 2011 at 3:12am
Each INTERNAL angle of a regular octagon is 135 degrees.

If 4x + 12 = 135, then

4x = 123

Divide both sides of the equation by 4.

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