WOLFRAM
|
DEMONSTRATIONS PROJECT
T
h
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c
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I
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r
a
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f
a
T
r
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r
A
B
≈
6
.
6
2
B
C
≈
6
.
2
2
A
C
≈
7
.
8
0
r
≈
1
.
9
2
s
≈
1
0
.
3
2
a
r
e
a
(
A
B
C
)
≈
1
9
.
8
5
r
×
s
≈
1
9
.
8
5
L
e
t
A
B
C
b
e
a
t
r
i
a
n
g
l
e
,
r
i
t
s
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a
d
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,
a
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d
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m
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r
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m
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t
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r
.
T
h
e
n
a
r
e
a
(
A
B
C
)
=
r
×
s
.
