WOLFRAM
|
DEMONSTRATIONS PROJECT
A
n
g
l
e
B
i
s
e
c
t
o
r
T
h
e
o
r
e
m
B
D
≈
2
.
8
5
A
C
≈
7
.
8
0
A
B
≈
6
.
6
2
D
C
≈
3
.
3
6
B
D
×
A
C
≈
2
2
.
2
5
A
B
×
D
C
≈
2
2
.
2
5
∠
B
A
D
≈
2
5
.
1
5
°
∠
C
A
D
≈
2
5
.
1
5
°
L
e
t
A
B
C
b
e
a
t
r
i
a
n
g
l
e
.
L
e
t
A
D
b
i
s
e
c
t
∠
B
A
C
.
T
h
e
n
B
D
×
A
C
=
A
B
×
D
C
.
