Answer:
1.triangles:FAM=KIN
sides:FA=KI,AM=IN,FM=KN
angles:F=K,A=I,M=N
2.triangles:SUN=EMR
sides:SU=EM,UN=MR,SN=ER
angles:S=E,U=M,N=R
3.triangles:FIA=YIR
sides:FI=YI,IA=IR,FA=YR
angles=F=Y,I=I,A=R
4.can't see the full pic
5.triangles:ZYX=SRT
sides:ZY=SR,YX=RT,ZX=ST
angles:Z=S,Y=R,X=T
put markings
