This is a Rhombus. Find angle E. SORRY ABOUT THE DRAWING. ANYWAY ITS A RHOMBUS.ALL 4 SIDES ARE EQUAL. EACH PAIR OF ANGLES BETWEEN A PARALLEL LINE ARE EQUAL TO 180''.
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Originally Posted by ProMathematics This is a Rhombus. Find angle E. SORRY ABOUT THE DRAWING. ANYWAY ITS A RHOMBUS.ALL 4 SIDES ARE EQUAL. EACH PAIR OF ANGLES BETWEEN A PARALLEL LINE ARE EQUAL TO 180''. Note that the triangles are isosceles. So base angles are congruent. Next use the alternate interior angle theorem.
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