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Mising Angle CDE = 80°
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Expression 11: "A" Subscript, 1 , Baseline equals "A" Subscript, "B" , Baseline cosine 70
A
1
=
A
B
c
o
s
7
0
equals
=
2.5 0 8 0 3 3 7 1 1 0 1
2
.
5
0
8
0
3
3
7
1
1
0
1
11
Expression 12: "A" Subscript, 2 , Baseline equals "A" Subscript, "B" , Baseline sine 70
A
2
=
A
B
s
i
n
7
0
equals
=
6.8 9 0 7 6 5 9 8 8 2 2
6
.
8
9
0
7
6
5
9
8
8
2
2
12
Expression 13: "C" Subscript, 1 , Baseline equals 2 "A" Subscript, 1 , Baseline
C
1
=
2
A
1
equals
=
5.0 1 6 0 6 7 4 2 2 0 1
5
.
0
1
6
0
6
7
4
2
2
0
1
13
Expression 14: "C" Subscript, 2 , Baseline equals "B" Subscript, 2 , Baseline
C
2
=
B
2
equals
=
0
0
14
Expression 15: "D" Subscript, 1 , Baseline equals "E" Subscript, 1 , Baseline plus StartFraction, left parenthesis, "B" Subscript, 1 , Baseline minus "E" Subscript, 1 , Baseline , right parenthesis left parenthesis, "A" Subscript, "B" , Baseline minus "C" Subscript, "E" , Baseline , right parenthesis Over StartRoot, "E" squared plus "E" squared , EndRoot , EndFraction
D
1
=
E
1
+
B
1
−
E
1
A
B
−
C
E
E
2
1
+
E
2
2
equals
=
1.6 3 7 0 0 2 7 4 4 1 2
1
.
6
3
7
0
0
2
7
4
4
1
2
15
Expression 16: "D" Subscript, 2 , Baseline equals "E" Subscript, 2 , Baseline plus StartFraction, left parenthesis, "B" Subscript, 2 , Baseline minus "E" Subscript, 2 , Baseline , right parenthesis left parenthesis, "A" Subscript, "B" , Baseline minus "C" Subscript, "E" , Baseline , right parenthesis Over StartRoot, "E" squared plus "E" squared , EndRoot , EndFraction
D
2
=
E
2
+
B
2
−
E
2
A
B
−
C
E
E
2
1
+
E
2
2
equals
=
1.9 5 0 9 0 3 9 0 1 3 9
1
.
9
5
0
9
0
3
9
0
1
3
9
16
Expression 17: "E" Subscript, 1 , Baseline equals "C" Subscript, 1 , Baseline plus StartFraction, "C" Subscript, "E" , Baseline left parenthesis, "A" Subscript, 1 , Baseline minus "C" Subscript, 1 , Baseline , right parenthesis Over "A" Subscript, "B" , Baseline , EndFraction
E
1
=
C
1
+
C
E
A
1
−
C
1
A
B
equals
=
3.4 9 8 5 3 3 5 8 0 3 6
3
.
4
9
8
5
3
3
5
8
0
3
6
17
Expression 18: "E" Subscript, 2 , Baseline equals StartFraction, "C" Subscript, "E" , Baseline times "A" Subscript, 2 , Baseline Over "A" Subscript, "B" , Baseline , EndFraction
E
2
=
C
E
·
A
2
A
B
equals
=
4.1 6 9 3 8 9 9 6 3 2
4
.
1
6
9
3
8
9
9
6
3
2
18
Graphs
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19
Expression 20: "y" less than 30
y
<
3
0
20
Expression 21: polygon left parenthesis, "A" , "B" , "E" , "B" , "C" , "D" , "C" , right parenthesis
p
o
l
y
g
o
n
A
,
B
,
E
,
B
,
C
,
D
,
C
21
Points
Points
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22
36
powered by
powered by
A
B
C
D
E
20
50
40
||
||
?
"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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