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Mathematics 18 Online
OpenStudy (anonymous):

need help with math the isosceles trapezoid is part of an isosceles triangle with a 40 vertex angle. what is measure of an acute base angle of the trapezoid? what is the measure of an obtuse base angle ?

OpenStudy (anonymous):

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OpenStudy (e.mccormick):

Well, first off, you have a triangle. So, all the angles in triangle add up to what?

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