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Angle AEC = 126
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Expression 17: "B" Subscript, 1 , Baseline equals "A" Subscript, 1 , Baseline
B
1
=
A
1
equals
=
0
0
17
Expression 18: prime "B" Subscript, "D" , Baseline equals StartRoot, "B" squared plus "D" squared , EndRoot
′
B
D
=
B
2
2
+
D
2
1
18
Expression 19: "C" Subscript, 1 , Baseline equals "D" Subscript, 1 , Baseline plus StartRoot, "B" squared plus "D" squared , EndRoot
C
1
=
D
1
+
B
2
2
+
D
2
1
equals
=
13.7 6 7 2 2 0 9 2 6 9
1
3
.
7
6
7
2
2
0
9
2
6
9
19
Expression 20: "C" Subscript, 2 , Baseline equals "A" Subscript, 2 , Baseline
C
2
=
A
2
equals
=
0
0
20
Expression 21: "D" Subscript, 2 , Baseline equals "A" Subscript, 2 , Baseline
D
2
=
A
2
equals
=
0
0
21
Expression 22: "E" Subscript, 1 , Baseline equals "B" Subscript, 1 , Baseline plus StartFraction, "B" Subscript, "E" , Baseline Over "B" Subscript, "C" , Baseline , EndFraction left parenthesis, "C" Subscript, 1 , Baseline minus "B" Subscript, 1 , Baseline , right parenthesis
E
1
=
B
1
+
B
E
B
C
C
1
−
B
1
equals
=
9.5 1 2 9 1 5 6 9 5 1 6
9
.
5
1
2
9
1
5
6
9
5
1
6
22
Expression 23: "E" Subscript, 2 , Baseline equals "B" Subscript, 2 , Baseline plus StartFraction, "B" Subscript, "E" , Baseline Over "B" Subscript, "C" , Baseline , EndFraction left parenthesis, "C" Subscript, 2 , Baseline minus "B" Subscript, 2 , Baseline , right parenthesis
E
2
=
B
2
+
B
E
B
C
C
2
−
B
2
equals
=
3.0 9 0 9 3 3 6 7 7 9 6
3
.
0
9
0
9
3
3
6
7
7
9
6
23
Graphs
Graphs
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24
Expression 25: "y" less than 25
y
<
2
5
25
Expression 26: polygon left parenthesis, "A" , "E" , "A" , "B" , "D" , "B" , "C" , right parenthesis
p
o
l
y
g
o
n
A
,
E
,
A
,
B
,
D
,
B
,
C
26
Expression 27: left parenthesis, 0.7 5 "t" cos 45 , 0.7 5sin 45 , right parenthesis
0
.
7
5
t
c
o
s
4
5
,
0
.
7
5
s
i
n
4
5
0
0
domain t Minimum:
less than or equal to "t" less than or equal to
≤
t
≤
1
1
domain t Maximum:
27
Expression 28: left parenthesis, 0.7 5cos 45 , 0.7 5 "t" sin 45 , right parenthesis
0
.
7
5
c
o
s
4
5
,
0
.
7
5
t
s
i
n
4
5
0
0
domain t Minimum:
less than or equal to "t" less than or equal to
≤
t
≤
1
1
domain t Maximum:
28
Points
Points
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29
42
powered by
powered by
A
B
C
D
E
AE = AB
CD = BD
18
?
"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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