1. In the diagram shown of AABC, CDA, CEB, DE // AB making AABC ⓇADEC, DE = 4cm,
AB = 10cm, CD = x and DA = x + 3. What is the length of AC?

1 In the diagram shown of AABC CDA CEB DE AB making AABC ADEC DE 4cm AB 10cm CD x and DA x 3 What is the length of AC class=