The side of a square tile is 30cm. How many such tiles are required to cover the floor of a room 360cm long and 330cm wide. From area and volume pls show every step

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.