Which whole number is equal to 18/3
OA) 9
OB) 7
OC) 8
OD) 6​

Need on this geometry question. explain how you did it.

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.

Urgent? will give brainliest to the first correct answer what is the area of the figure?