Please help with this AP Calculus question!

∆abc is mapped onto ∆a'b'c' which is then mapped onto ∆a"b"c". ∆abc and ∆a"b"c" are shown in the diagram. a. describe the sequence of transformations from ∆abc to ∆a"b"c". b. describe a single transformation from ∆abc to ∆a"b"c". c. what is the relationship between ∆abc and ∆a’’b’’c’’? explain your reasoning.