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Angle CBD = X = 27°
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Expression 14: "A" Subscript, 2 , Baseline equals "A" Subscript, "B" , Baseline sine "A" Subscript, "B" "D" , Baseline
A
2
=
A
B
s
i
n
A
B
D
equals
=
6.3 0 0 3 6 7 5 5 3 3 5
6
.
3
0
0
3
6
7
5
5
3
3
5
14
Expression 15: "B" Subscript, 1 , Baseline equals StartRoot, 0 , EndRoot
B
1
=
0
equals
=
0
0
15
Expression 16: "B" Subscript, 2 , Baseline equals StartRoot, 0 , EndRoot
B
2
=
0
equals
=
0
0
16
Expression 17: "C" Subscript, 1 , Baseline equals "B" Subscript, "C" , Baseline cosine left parenthesis, "A" Subscript, "B" "D" , Baseline minus "A" Subscript, "B" "C" , Baseline , right parenthesis
C
1
=
B
C
c
o
s
A
B
D
−
A
B
C
equals
=
3.8 9 3 8 4 1 2 8 9 5 9
3
.
8
9
3
8
4
1
2
8
9
5
9
17
Expression 18: "C" Subscript, 2 , Baseline equals "B" Subscript, "C" , Baseline sine left parenthesis, "A" Subscript, "B" "D" , Baseline minus "A" Subscript, "B" "C" , Baseline , right parenthesis
C
2
=
B
C
s
i
n
A
B
D
−
A
B
C
equals
=
1.9 8 4 0 1 1 2 3 3 3 4
1
.
9
8
4
0
1
1
2
3
3
3
4
18
Expression 19: "D" Subscript, 1 , Baseline equals "B" Subscript, "D" , Baseline
D
1
=
B
D
equals
=
6.9 8 4 0 1 1 2 3 3 3 4
6
.
9
8
4
0
1
1
2
3
3
3
4
19
Expression 20: "D" Subscript, 2 , Baseline equals "B" Subscript, 2 , Baseline
D
2
=
B
2
equals
=
0
0
20
Expression 21: "E" Subscript, 1 , Baseline equals "C" Subscript, 1 , Baseline
E
1
=
C
1
equals
=
3.8 9 3 8 4 1 2 8 9 5 9
3
.
8
9
3
8
4
1
2
8
9
5
9
21
Expression 22: "E" Subscript, 2 , Baseline equals "B" Subscript, 2 , Baseline
E
2
=
B
2
equals
=
0
0
22
Graphs
Graphs
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23
Expression 24: polygon left parenthesis, "A" , "B" , "D" , "C" , right parenthesis
p
o
l
y
g
o
n
A
,
B
,
D
,
C
24
Expression 25: polygon left parenthesis, "B" , "C" , right parenthesis
p
o
l
y
g
o
n
B
,
C
25
Expression 26: polygon left parenthesis, "C" , "E" , right parenthesis
p
o
l
y
g
o
n
C
,
E
26
Points
Points
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27
43
powered by
powered by
A
B
C
D
E
Start black, 5 StartRoot, 2 , EndRoot End black
5
2
Start black, "A" "C" equals "B" "C" equals "D" "E" times StartRoot, 2 , EndRoot End black
A
C
=
B
C
=
D
E
·
2
Start black, "B" "D" minus "C" "E" equals 5 End black
B
D
−
C
E
=
5
Start black, "A" "B" "C" minus "C" "B" "D" equals 9 degrees End black
A
B
C
−
C
B
D
=
9
°
Start black, "F" "i" "n" "d" "A" "n" "g" "l" "e" "C" "B" "D" End black
F
i
n
d
A
n
g
l
e
C
B
D
X
"x"
x
"y"
y
"a" squared
a
2
"a" Superscript, "b" , Baseline
a
b
7
7
8
8
9
9
over
÷
functions
(
(
)
)
less than
<
greater than
>
4
4
5
5
6
6
times
×
| "a" |
|
a
|
,
,
less than or equal to
≤
greater than or equal to
≥
1
1
2
2
3
3
negative
−
A B C
StartRoot, , EndRoot
pi
π
0
0
.
.
equals
=
positive
+
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