Write an integral that represents the area of the surface generated by revolving the curve about the x-axis. Parametric Equation: x = 1/4t², y = t + 3 Interval: 0 ≤ t ≤ 3

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.