. Point P is the midpoint of . Point Q is the midpoint of . Point R is the midpoint of . Point S is the midpoint of . is an invalid relation. Because point R is the midpoint of and point S is the midpoint of , we can conclude that .

ye

step-by-step explanation:

point a is the center of the circle that passes through points e, f, and g and the center of the circle that passes through points x, y, and z.

false

step-by-step explanation:

false.   two legs of the trapezoid would be congruent, but the other two would not.   were all the legs congruent, then we'd have a square; were the 2 shorter sides congruent and the 2 longer sides also congruent, we'd have a rectangle.