Wintringham Angle Calc III with Alt
a =
b =
66
31
a
b
c

c =

b =
a =
b
14
a
28
a =
54
a
a =

Vertically Opposite

Straight Line

Alternate

Click the reason
a
73
b =
a =
23
a
b
a =
a
12
a =
a
99
11
a =
29
42
a
b =
a =
24
a
b
33
a =
42
a
b =
a =
a
b
76
a =
17.5
a
b =
a =
163
a
83
b
a =
a

Straight Line

Alternate 

Vertically Opposite

Click the reason
92
a =
a
43

Corresponding

Alternate 

Vertically Opposite

Click the reason
a =
a
125

Vertically Opposite

Straight Line

Alternate

Click the reason
b =
a =
a

109

b
b =
a =
c
80
a
12
d =
c =
b
d
b =
a =
b
d
c
d =
c =
a
143
a =
b =
c =
103

c

a
b
Students who took this test also took :

Created with That Quiz — a math test site for students of all grade levels.