Mia is using base 10 blocks to complete an area model of a decimal multiplication problem. Write the expression of the problem she is modeling on the line below. (You do not need to find the product.)

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.