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Angle ADB = X = 72°
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Expression 14: "y" equals "m" Subscript, 2 , Baseline left parenthesis, "x" minus "C" Subscript, 1 , Baseline , right parenthesis
y
=
m
2
x
−
C
1
14
Expression 15: "m" Subscript, 1 , Baseline "x" equals "m" Subscript, 2 , Baseline left parenthesis, "x" minus "C" Subscript, 1 , Baseline , right parenthesis
m
1
x
=
m
2
x
−
C
1
15
Expression 16: "A" Subscript, 1 , Baseline equals StartFraction, negative "m" Subscript, 2 , Baseline "C" Subscript, 1 , Baseline Over "m" Subscript, 1 , Baseline minus "m" Subscript, 2 , Baseline , EndFraction
A
1
=
−
m
2
C
1
m
1
−
m
2
equals
=
0.0 9 9 9 6 0 0 6 7 8 3 9 6
0
.
0
9
9
9
6
0
0
6
7
8
3
9
6
16
Expression 17: "A" Subscript, 2 , Baseline equals "m" Subscript, 2 , Baseline left parenthesis, "A" Subscript, 1 , Baseline minus "C" Subscript, 1 , Baseline , right parenthesis
A
2
=
m
2
A
1
−
C
1
equals
=
0.9 5 1 0 5 6 5 1 6 2 9 5
0
.
9
5
1
0
5
6
5
1
6
2
9
5
17
Expression 18: "B" Subscript, 1 , Baseline equals StartRoot, 0 , EndRoot
B
1
=
0
equals
=
0
0
18
Expression 19: "B" Subscript, 2 , Baseline equals StartRoot, 0 , EndRoot
B
2
=
0
equals
=
0
0
19
Expression 20: "C" Subscript, 1 , Baseline equals "B" Subscript, "C" , Baseline
C
1
=
B
C
equals
=
2.2 3 6 0 6 7 9 7 7 5
2
.
2
3
6
0
6
7
9
7
7
5
20
Expression 21: "C" Subscript, 2 , Baseline equals "B" Subscript, 2 , Baseline
C
2
=
B
2
equals
=
0
0
21
Expression 22: "D" Subscript, 1 , Baseline equals "B" Subscript, "D" , Baseline
D
1
=
B
D
equals
=
0.4 0 8 9 7 7 0 6 2 2 1 5
0
.
4
0
8
9
7
7
0
6
2
2
1
5
22
Expression 23: "D" Subscript, 2 , Baseline equals "B" Subscript, 2 , Baseline
D
2
=
B
2
equals
=
0
0
23
Graphs
Graphs
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24
Expression 25: polygon left parenthesis, "A" , "D" , right parenthesis
p
o
l
y
g
o
n
A
,
D
25
Expression 26: polygon left parenthesis, "A" , "B" , "C" , right parenthesis
p
o
l
y
g
o
n
A
,
B
,
C
26
Points
Points
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27
41
powered by
powered by
A
B
C
D
Start black, StartRoot, 5 , EndRoot minus StartAbsoluteValue, "B" "D" , EndAbsoluteValue End black
5
−
B
D
1
84°
24°
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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