Point m and n are midpoints of ab and da respectively. complete the following table to prove triangle cdn ≅ triangle cbm for the last reason choose from: sss, sas, or asa. *image attached below* | statement | reason line dc ≅ | the sides of a square are congruent. line bm ≅ | they are both half the length of a side of the square. angle ≅ angle b | all the angles of a square are congruent. triangle cdn ≅ cbm | |