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Angle CEF = X = 66°
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Expression 23: "m" Subscript, 4 , Baseline equals tangent left parenthesis, 180 minus "A" Subscript, "D" "C" , Baseline , right parenthesis
m
4
=
t
a
n
1
8
0
−
A
D
C
equals
=
negative 5.1 4 4 5 5 4 0 1 5 9 7
−
5
.
1
4
4
5
5
4
0
1
5
9
7
23
Expression 24: "y" equals "m" Subscript, 3 , Baseline "x"
y
=
m
3
x
24
Expression 25: "y" equals "m" Subscript, 4 , Baseline left parenthesis, "x" minus "D" Subscript, 1 , Baseline , right parenthesis
y
=
m
4
x
−
D
1
25
Expression 26: "m" Subscript, 3 , Baseline "x" equals "m" Subscript, 4 , Baseline left parenthesis, "x" minus "D" Subscript, 1 , Baseline , right parenthesis
m
3
x
=
m
4
x
−
D
1
26
Expression 27: "C" Subscript, 1 , Baseline equals StartFraction, negative "m" Subscript, 4 , Baseline "D" Subscript, 1 , Baseline Over "m" Subscript, 3 , Baseline minus "m" Subscript, 4 , Baseline , EndFraction
C
1
=
−
m
4
D
1
m
3
−
m
4
equals
=
14.0 5 9 0 2 2 4 8 4 3
1
4
.
0
5
9
0
2
2
4
8
4
3
27
Expression 28: "C" Subscript, 2 , Baseline equals "m" Subscript, 4 , Baseline left parenthesis, "C" Subscript, 1 , Baseline minus "D" Subscript, 1 , Baseline , right parenthesis
C
2
=
m
4
C
1
−
D
1
equals
=
4.8 4 0 9 0 9 6 5 7 2 1
4
.
8
4
0
9
0
9
6
5
7
2
1
28
Expression 29: "D" Subscript, 1 , Baseline equals StartAbsoluteValue, 15 , EndAbsoluteValue
D
1
=
1
5
equals
=
15
1
5
29
Expression 30: "D" Subscript, 2 , Baseline equals "A" Subscript, 2 , Baseline
D
2
=
A
2
equals
=
0
0
30
Expression 31: "m" Subscript, 3 , Baseline "x" equals "m" Subscript, 2 , Baseline left parenthesis, "x" minus "D" Subscript, 1 , Baseline , right parenthesis
m
3
x
=
m
2
x
−
D
1
31
Expression 32: "E" Subscript, 1 , Baseline equals StartFraction, negative "m" Subscript, 2 , Baseline "D" Subscript, 1 , Baseline Over "m" Subscript, 3 , Baseline minus "m" Subscript, 2 , Baseline , EndFraction
E
1
=
−
m
2
D
1
m
3
−
m
2
equals
=
10.4 1 1 4 6 6 3 7 5 2
1
0
.
4
1
1
4
6
6
3
7
5
2
32
Expression 33: "E" Subscript, 2 , Baseline equals "m" Subscript, 2 , Baseline left parenthesis, "E" Subscript, 1 , Baseline minus "D" Subscript, 1 , Baseline , right parenthesis
E
2
=
m
2
E
1
−
D
1
equals
=
3.5 8 4 9 5 5 3 6 7 8 1
3
.
5
8
4
9
5
5
3
6
7
8
1
33
Expression 34: "F" Subscript, 1 , Baseline equals StartFraction, "B" Subscript, 1 , Baseline plus "C" Subscript, 1 , Baseline Over 2 , EndFraction
F
1
=
B
1
+
C
1
2
equals
=
10.5 7 9 5 7 8 0 7 0 8
1
0
.
5
7
9
5
7
8
0
7
0
8
34
Expression 35: "F" Subscript, 2 , Baseline equals StartFraction, "B" Subscript, 2 , Baseline plus "C" Subscript, 2 , Baseline Over 2 , EndFraction
F
2
=
B
2
+
C
2
2
equals
=
5.5 0 6 4 8 0 8 4 1 0 8
5
.
5
0
6
4
8
0
8
4
1
0
8
35
Graphs
Graphs
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36
Expression 37: polygon left parenthesis, "A" , "B" , "C" , "D" , right parenthesis
p
o
l
y
g
o
n
A
,
B
,
C
,
D
37
Points
Points
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38
NEW.jpg
NEW.jpg
Change Image
Center:
center: left parenthesis, 7.5 8 , 2.9 6 , right parenthesis
7
.
5
8
,
2
.
9
6
Width:
width: 19.9 4
1
9
.
9
4
Angle:
angle: 0
0
Height:
height: 11.1 6 5
1
1
.
1
6
5
Opacity:
opacity: 1
1
39
A: "A" equals left parenthesis, "A" Subscript, 1 , Baseline , "A" Subscript, 2 , Baseline , right parenthesis
A
=
A
1
,
A
2
Label:
equals
=
left parenthesis, 0 , 0 , right parenthesis
0
,
0
40
B: "B" equals left parenthesis, "B" Subscript, 1 , Baseline , "B" Subscript, 2 , Baseline , right parenthesis
B
=
B
1
,
B
2
Label:
equals
=
left parenthesis, 7.1 0 0 1 3 3 6 6 , 6.1 7 2 0 5 2 0 2 , right parenthesis
7
.
1
0
0
1
3
3
6
6
,
6
.
1
7
2
0
5
2
0
2
41
C: "C" equals left parenthesis, "C" Subscript, 1 , Baseline , "C" Subscript, 2 , Baseline , right parenthesis
C
=
C
1
,
C
2
Label:
equals
=
left parenthesis, 14.0 5 9 0 2 2 5 , 4.8 4 0 9 0 9 6 6 , right parenthesis
1
4
.
0
5
9
0
2
2
5
,
4
.
8
4
0
9
0
9
6
6
42
F: "F" equals left parenthesis, "F" Subscript, 1 , Baseline , "F" Subscript, 2 , Baseline , right parenthesis
F
=
F
1
,
F
2
Label:
equals
=
left parenthesis, 10.5 7 9 5 7 8 1 , 5.5 0 6 4 8 0 8 4 , right parenthesis
1
0
.
5
7
9
5
7
8
1
,
5
.
5
0
6
4
8
0
8
4
43
D: "D" equals left parenthesis, "D" Subscript, 1 , Baseline , "D" Subscript, 2 , Baseline , right parenthesis
D
=
D
1
,
D
2
Label:
equals
=
left parenthesis, 15 , 0 , right parenthesis
1
5
,
0
44
E: "E" equals left parenthesis, "E" Subscript, 1 , Baseline , "E" Subscript, 2 , Baseline , right parenthesis
E
=
E
1
,
E
2
Label:
equals
=
left parenthesis, 10.4 1 1 4 6 6 4 , 3.5 8 4 9 5 5 3 7 , right parenthesis
1
0
.
4
1
1
4
6
6
4
,
3
.
5
8
4
9
5
5
3
7
45
46
powered by
powered by
A
B
C
F
D
E
"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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