In this diagram, m∠BEC=104° and ∠AEB≅∠DEC .
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Which equation can be solved to find x, the degree measure of ∠AEB ?

Two streets intersect at a 30- degree angle. at the intersection, the are four crosswalks formed that are the same length. what type of quadrilateral is formed by the crosswalks?

How do you solving the solution of each system using elimination?

72 the length of a side of a triangle is 36. a line parallel to that side divides the triangle into two parts of equal area. find the length of the segment determined by the points of intersection between the line and the other two sides of the triangle.