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Angle BFE = X = 30°
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Expression 17: "A" Subscript, 1 , Baseline equals "R" cosine 90
A
1
=
R
c
o
s
9
0
equals
=
0
0
17
Expression 18: "A" Subscript, 2 , Baseline equals "R" sine 90
A
2
=
R
s
i
n
9
0
equals
=
4
4
18
Expression 19: "B" Subscript, 1 , Baseline equals negative "E" Subscript, 1 , Baseline
B
1
=
−
E
1
equals
=
negative 3.8 0 4 2 2 6 0 6 5 1 8
−
3
.
8
0
4
2
2
6
0
6
5
1
8
19
Expression 20: "B" Subscript, 2 , Baseline equals "E" Subscript, 2 , Baseline
B
2
=
E
2
equals
=
1.2 3 6 0 6 7 9 7 7 5
1
.
2
3
6
0
6
7
9
7
7
5
20
Expression 21: "C" Subscript, 1 , Baseline equals negative "D" Subscript, 1 , Baseline
C
1
=
−
D
1
equals
=
negative 2.3 5 1 1 4 1 0 0 9 1 7
−
2
.
3
5
1
1
4
1
0
0
9
1
7
21
Expression 22: "C" Subscript, 2 , Baseline equals "D" Subscript, 2 , Baseline
C
2
=
D
2
equals
=
negative 3.2 3 6 0 6 7 9 7 7 5
−
3
.
2
3
6
0
6
7
9
7
7
5
22
Expression 23: "m" Subscript, 1 , Baseline equals tangent left parenthesis, 180 minus 2 "E" Subscript, "D" "O" , Baseline , right parenthesis
m
1
=
t
a
n
1
8
0
−
2
E
D
O
equals
=
3.0 7 7 6 8 3 5 3 7 1 8
3
.
0
7
7
6
8
3
5
3
7
1
8
23
Expression 24: "m" Subscript, 2 , Baseline equals tangent "E" Subscript, "B" "F" , Baseline
m
2
=
t
a
n
E
B
F
equals
=
negative 1.1 1 0 6 1 2 5 1 4 8 3
−
1
.
1
1
0
6
1
2
5
1
4
8
3
24
Expression 25: "y" equals "m" Subscript, 2 , Baseline left parenthesis, "x" minus "B" Subscript, 1 , Baseline , right parenthesis plus "B" Subscript, 2 , Baseline
y
=
m
2
x
−
B
1
+
B
2
25
Expression 26: "y" equals StartFraction, negative 1 Over "m" Subscript, 1 , Baseline , EndFraction left parenthesis, "x" minus "E" Subscript, 1 , Baseline , right parenthesis plus "E" Subscript, 2 , Baseline
y
=
−
1
m
1
x
−
E
1
+
E
2
26
Expression 27: "m" Subscript, 2 , Baseline left parenthesis, "F" Subscript, 1 , Baseline minus "B" Subscript, 1 , Baseline , right parenthesis plus "B" Subscript, 2 , Baseline tilde StartFraction, negative 1 Over "m" Subscript, 1 , Baseline , EndFraction left parenthesis, "F" Subscript, 1 , Baseline minus "E" Subscript, 1 , Baseline , right parenthesis plus "E" Subscript, 2 , Baseline
m
2
F
1
−
B
1
+
B
2
~
−
1
m
1
F
1
−
E
1
+
E
2
27
Expression 28: "F" Subscript, 2 , Baseline equals StartFraction, negative 1 Over "m" Subscript, 1 , Baseline , EndFraction left parenthesis, "F" Subscript, 1 , Baseline minus "E" Subscript, 1 , Baseline , right parenthesis plus "E" Subscript, 2 , Baseline
F
2
=
−
1
m
1
F
1
−
E
1
+
E
2
equals
=
4.7 3 0 5 4 4 5 2 7 3 6
4
.
7
3
0
5
4
4
5
2
7
3
6
28
Graphs
Graphs
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29
Expression 30: polygon left parenthesis, "B" , "F" , right parenthesis
p
o
l
y
g
o
n
B
,
F
30
Expression 31: polygon left parenthesis, "E" , "F" , right parenthesis
p
o
l
y
g
o
n
E
,
F
31
Hidden Label: left parenthesis, "R" cos "L" , "R" sin "L" , right parenthesis
R
c
o
s
L
,
R
s
i
n
L
Label
equals
=
left parenthesis, 3.8 0 4 , 1.2 3 6 , right parenthesis
3
.
8
0
4
,
1
.
2
3
6
left parenthesis, 0 , 4 , right parenthesis
0
,
4
left parenthesis, negative 3.8 0 4 , 1.2 3 6 , right parenthesis
−
3
.
8
0
4
,
1
.
2
3
6
left parenthesis, negative 2.3 5 1 , negative 3.2 3 6 , right parenthesis
−
2
.
3
5
1
,
−
3
.
2
3
6
left parenthesis, 2.3 5 1 , negative 3.2 3 6 , right parenthesis
2
.
3
5
1
,
−
3
.
2
3
6
left parenthesis, 3.8 0 4 , 1.2 3 6 , right parenthesis
3
.
8
0
4
,
1
.
2
3
6
32
Points
Points
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33
48
powered by
powered by
O
A
B
C
D
E
F
30°
90°
"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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