Posted by **Claire** on Tuesday, January 10, 2012 at 8:44pm.

The isosceles trapezoid is part of an isosceles triangle with a 34° vertex angle. What is the measure of an acute base angle of the trapezoid? Of an obtuse angle?

73°; 107°

34°; 146°

73°; 146°

34°; 107°

Thank you =) :) ;)

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