Solve:
[1/(sin 45 sin 46)] + [1/(sin 47 sin 48)] + + [1(sin 133 sin 134)]

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.