90
180
360
190
55
145
35
45
122
48
68
58
49
79
39
41 +58 + X=180
41 +58 + X=90
41 + X =180
58 + X =180
AB
BC
AC
Acute
Right
Obtuse
Scalene
Equlateral
Isosceles
Equiangular
Equilateral
Equianular
Equaliteral
120
60
30
117
63
107
127
72
91
61
71
X + 55=180
X + 55 + 60=90
X + 55 + 60=180
X + 60 = 180
120 + ?=90
120 - ?=90
120 + ? =180
85 +35=180
KL
LM
MK