-u +42 = 236 solve for u

Two lines parallel to a third line are parallel to each other. always sometimes or never

Is trapezoid abdc the result of a dilation of trapezoid mnpq by a scale factor of ? why or why not? yes, because ab and cd are each the lengths mn and qp. yes, because sides ab and cd are parallel to sides mn and qp. no, because ab is the length mn but cd is the length qp. no, because sides ab and cd have different slopes from sides mn and qp.

What is the relationship between all triangles that can be drawn given the same three angles