document.write( "Question 661174: I have a math problem on my homework, and its a bunch of angles. they give you an equation for two of them that are alternate exterior to eachother, and a varible where it is vertical to the top exterior angle. I dont know how to set up the equation to solve it \n" ); document.write( "

Algebra.Com's Answer #411559 by solver91311(24713) $\"\"$ $\"About$

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\n" ); document.write( "\n" ); document.write( "Alternate exterior angles are equal in measure and vertical angles are equal in measure. So if you have a pair of alternate exterior angles or a pair of vertical angles whose measures are denoted by algebraic expressions, just set the two expressions equal to each other and solve the equation. Once you have a value for the variable, substitute back into the expressions -- two reasons: you get the measures of the angles that way, and you double check to see that you did your algebra correctly when you solved the equation.\r
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\n" ); document.write( "\n" ); document.write( "John
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\n" ); document.write( "My calculator said it, I believe it, that settles it
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