Question

Help!with proof
:)

Answer 1

Statement Reason
1)m<APC=m<BPD 1)Given
2)m<APC=m<1+m<2 2)??????
3)????????????? 3)Angle Addition Postulate
4)m<1+m<2=m<2+m<3 4)??????????????
5)????????????? 5)????????????
6)m<3=m<1 6)???????????
7)m<3 is congruent to M<1 7)Defintion of congruent angles