Answer:
see below
Step-by-step explanation:
1. <3 = <3 reflexive property
2. <1 = <2 given
3. <1 + <3 = <2 + <3 addition property of equality
4. <1 + <3 = <FAH
<2 + <3 = < GAI Angle addition postulate
5. <1 + <3 = <GAI substitution property of equality
6. FAH ≅ GAI substitution property of equality
