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Wintringham Angle Calc II no Alt
供稿人: Goodhand
b =
a =
55∘
b
30∘
a
a =
22∘
a
b =
a =
18∘
a
b
a =
a
a =
a
100∘
33∘
a =
29∘
a
30∘
b =
a =
53∘
a
b
41∘
a =
40∘
a
b =
a =
a
b
65∘
a =
37∘
a
b =
a =
157∘
a
77∘
b
b =
a =
a

101∘

b
a =
b =
52∘
c
a
b
27∘

c =

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