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Nonagon Area = 3ab sqrt 3
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Expression 16: "F" Subscript, 1 , Baseline equals "R" cosine left parenthesis, 90 plus 3 alpha , right parenthesis
F
1
=
R
c
o
s
9
0
+
3
α
equals
=
negative 5.1 9 6 1 5 2 4 2 2 7 1
−
5
.
1
9
6
1
5
2
4
2
2
7
1
16
Expression 17: "F" Subscript, 2 , Baseline equals "R" sine left parenthesis, 90 plus 3 alpha , right parenthesis
F
2
=
R
s
i
n
9
0
+
3
α
equals
=
negative 3
−
3
17
Expression 18: "H" Subscript, 1 , Baseline equals "R" cosine left parenthesis, 90 plus 5 alpha , right parenthesis
H
1
=
R
c
o
s
9
0
+
5
α
equals
=
2.0 5 2 1 2 0 8 5 9 9 5
2
.
0
5
2
1
2
0
8
5
9
9
5
18
Expression 19: "H" Subscript, 2 , Baseline equals "R" sine left parenthesis, 90 plus 5 alpha , right parenthesis
H
2
=
R
s
i
n
9
0
+
5
α
equals
=
negative 5.6 3 8 1 5 5 7 2 4 7 2
−
5
.
6
3
8
1
5
5
7
2
4
7
2
19
Expression 20: "I" Subscript, 1 , Baseline equals negative "F" Subscript, 1 , Baseline
I
1
=
−
F
1
equals
=
5.1 9 6 1 5 2 4 2 2 7 1
5
.
1
9
6
1
5
2
4
2
2
7
1
20
Expression 21: "I" Subscript, 2 , Baseline equals "F" Subscript, 2 , Baseline
I
2
=
F
2
equals
=
negative 3
−
3
21
Expression 22: "J" Subscript, 1 , Baseline equals "H" Subscript, 1 , Baseline
J
1
=
H
1
equals
=
2.0 5 2 1 2 0 8 5 9 9 5
2
.
0
5
2
1
2
0
8
5
9
9
5
22
Expression 23: "J" Subscript, 2 , Baseline equals "I" Subscript, 2 , Baseline
J
2
=
I
2
equals
=
negative 3
−
3
23
Expression 24: "K" Subscript, 1 , Baseline equals "H" Subscript, 1 , Baseline
K
1
=
H
1
equals
=
2.0 5 2 1 2 0 8 5 9 9 5
2
.
0
5
2
1
2
0
8
5
9
9
5
24
Expression 25: "K" Subscript, 2 , Baseline equals "B" Subscript, 2 , Baseline
K
2
=
B
2
equals
=
4.5 9 6 2 6 6 6 5 8 7 1
4
.
5
9
6
2
6
6
6
5
8
7
1
25
Graphs
Graphs
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Hidden Label: left parenthesis, "H" Subscript, 1 , Baseline , "H" Subscript, 2 , Baseline , right parenthesis , left parenthesis, "K" Subscript, 1 , Baseline , "K" Subscript, 2 , Baseline , right parenthesis
H
1
,
H
2
,
K
1
,
K
2
Label
equals
=
left parenthesis, 2.0 5 2 , negative 5.6 3 8 , right parenthesis
2
.
0
5
2
,
−
5
.
6
3
8
left parenthesis, 2.0 5 2 , 4.5 9 6 , right parenthesis
2
.
0
5
2
,
4
.
5
9
6
27
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, 5.9 0 9 , 1.0 4 2 , right parenthesis
5
.
9
0
9
,
1
.
0
4
2
left parenthesis, 3.8 5 7 , 4.5 9 6 , right parenthesis
3
.
8
5
7
,
4
.
5
9
6
left parenthesis, 0 , 6 , right parenthesis
0
,
6
left parenthesis, negative 3.8 5 7 , 4.5 9 6 , right parenthesis
−
3
.
8
5
7
,
4
.
5
9
6
left parenthesis, negative 5.9 0 9 , 1.0 4 2 , right parenthesis
−
5
.
9
0
9
,
1
.
0
4
2
left parenthesis, negative 5.1 9 6 , negative 3 , right parenthesis
−
5
.
1
9
6
,
−
3
left parenthesis, negative 2.0 5 2 , negative 5.6 3 8 , right parenthesis
−
2
.
0
5
2
,
−
5
.
6
3
8
left parenthesis, 2.0 5 2 , negative 5.6 3 8 , right parenthesis
2
.
0
5
2
,
−
5
.
6
3
8
left parenthesis, 5.1 9 6 , negative 3 , right parenthesis
5
.
1
9
6
,
−
3
left parenthesis, 5.9 0 9 , 1.0 4 2 , right parenthesis
5
.
9
0
9
,
1
.
0
4
2
28
Expression 29: polygon left parenthesis, "B" , "D" , right parenthesis
p
o
l
y
g
o
n
B
,
D
29
Expression 30: polygon left parenthesis, "F" , "I" , right parenthesis
p
o
l
y
g
o
n
F
,
I
30
Points
Points
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31
43
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powered by
O
B
D
F
H
I
J
K
a
b
"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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