a[1] Angle Addition Postulate[2] Subtraction Property of Equality b[1] Substitution Property of Equality [2] Transitive Property of Equality c[1] Segment Addition Postulate [2] Definition of Congruent Segments d[1] Segment Addition Postulate[2] Substitution Property of Equality
Accepted Solution
A:
The answer is D. First, it is the segment addition postulate because the two segments make up the whole. Second, it's substitution because you are substituting EF + FG for FH.