A wagon wheel is shown in the figure. How many degrees does the wheel need to rotate about its axle so that the image of the wheel is indistinguishable from the original figure?
15°
30°
45°
65°

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.