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Quad area 2
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17
Expression 10: "a" Subscript, 4 , Baseline equals angle left parenthesis, "B" , "C" , "O" , right parenthesis
a
4
=
a
n
g
l
e
B
,
C
,
O
10
Expression 11: "a" Subscript, 5 , Baseline equals angle left parenthesis, "O" , "D" , "A" , right parenthesis
a
5
=
a
n
g
l
e
O
,
D
,
A
11
Expression 12: "a" Subscript, 6 , Baseline equals angle left parenthesis, "C" , "O" , "D" , right parenthesis
a
6
=
a
n
g
l
e
C
,
O
,
D
12
Expression 13: "l" Subscript, 1 , Baseline equals perpendicular left parenthesis, token 24 , "B" , right parenthesis
l
1
=
p
e
r
p
e
n
d
i
c
u
l
a
r
,
B
13
Expression 14: "a" Subscript, 7 , Baseline equals angle left parenthesis, "O" , "C" , "D" , right parenthesis
a
7
=
a
n
g
l
e
O
,
C
,
D
14
Expression 15: "a" Subscript, 8 , Baseline equals angle left parenthesis, "O" , "D" , "C" , right parenthesis
a
8
=
a
n
g
l
e
O
,
D
,
C
15
Expression 16: "a" Subscript, 9 , Baseline equals angle left parenthesis, "B" , "A" , "O" , right parenthesis
a
9
=
a
n
g
l
e
B
,
A
,
O
16
Expression 17: "a" Subscript, 10 , Baseline equals angle left parenthesis, "O" , token 85 , token 66 , right parenthesis
a
1
0
=
a
n
g
l
e
O
,
,
17
Expression 18: "a" Subscript, 11 , Baseline equals angle left parenthesis, token 66 , token 85 , "D" , right parenthesis
a
1
1
=
a
n
g
l
e
,
,
D
18
Expression 19: "a" Subscript, 12 , Baseline equals angle left parenthesis, "B" , "O" , token 36 , right parenthesis
a
1
2
=
a
n
g
l
e
B
,
O
,
19
Expression 20: "a" Subscript, 13 , Baseline equals angle left parenthesis, token 36 , "O" , token 66 , right parenthesis
a
1
3
=
a
n
g
l
e
,
O
,
20
21
powered by
powered by
"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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