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OpenStudy (anonymous):
The measures of the angles of a triangle are 2x, 3x, and 4x. What is the degree measure of the largest angle of the triangle? A.) 20° B.) 60° C.) 80° D.) 100°
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OpenStudy (solomonzelman):
what do you think ?
OpenStudy (solomonzelman):
the sum of angles in the triangle is 180 degrees. always
OpenStudy (solomonzelman):
and in your case this sum of angles is 2x+3x+4x
OpenStudy (solomonzelman):
So, 2x+3x+4x=180
OpenStudy (solomonzelman):
then all you got to do, is to solve for x
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OpenStudy (anonymous):
I got 20!
OpenStudy (solomonzelman):
(yes, then you have to plug the value of x you found into "4x" to find the value of the largest triangle)
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