WOLFRAM
|
DEMONSTRATIONS PROJECT
Dintzl's Law of Cosines Dissection
b
γ
s
h
o
w
t
e
x
t
m
o
v
e
p
a
r
t
s
T
h
i
s
D
e
m
o
n
s
t
r
a
t
i
o
n
g
i
v
e
s
D
i
n
t
z
l
'
s
d
i
s
s
e
c
t
i
o
n
p
r
o
o
f
o
f
t
h
e
l
a
w
o
f
c
o
s
i
n
e
s
:
2
c
=
2
a
+
2
b
-
2
a
b
c
o
s
γ
,
γ
≥
π
/
2
.
