What set of reflections would carry trapezoid abcd onto itself?

a. x-axis, y=x, y-axis, x-axis

b. x-axis, y-axis, x-axis

c. y=x, x-axis, x-axis

d. y-axis, x-axis, y-axis, x-axis

Which is a logical conclusion based on the given information? a. figure abcd is a rhombus by the definition of a rhombus. b. segment ac is congruent to segment dc by cpctc. c. angle acb is congruent to angle adc by the angle-side-angle theorem. d. triangle acd is congruent to triangle cab by the hypotenuse-leg theorem.