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Proof: BC & AD are Parallel
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Expression 15: "B" Subscript, 2 , Baseline equals "O" Subscript, 2 , Baseline
B
2
=
O
2
equals
=
0
0
15
Expression 16: "C" Subscript, 1 , Baseline equals "M" Subscript, 1 , Baseline minus StartFraction, "R" Subscript, 1 , Baseline Over "R" , EndFraction left parenthesis, negative "M" Subscript, 2 , Baseline , right parenthesis
C
1
=
M
1
−
R
1
R
−
M
2
equals
=
11.2 4 5 3 0 4 4 9 9 9
1
1
.
2
4
5
3
0
4
4
9
9
9
16
Expression 17: "C" Subscript, 2 , Baseline equals "M" Subscript, 2 , Baseline plus StartFraction, "R" Subscript, 1 , Baseline Over "R" , EndFraction left parenthesis, negative "M" Subscript, 1 , Baseline , right parenthesis
C
2
=
M
2
+
R
1
R
−
M
1
equals
=
4.1 3 5 3 3 6 4 5 8 2
4
.
1
3
5
3
3
6
4
5
8
2
17
Expression 18: "D" Subscript, 1 , Baseline equals "M" Subscript, 1 , Baseline plus StartFraction, "R" Subscript, 1 , Baseline Over "R" , EndFraction left parenthesis, negative "M" Subscript, 2 , Baseline , right parenthesis
D
1
=
M
1
+
R
1
R
−
M
2
equals
=
negative 2.6 5 6 4 4 6 8 1 5 2 3
−
2
.
6
5
6
4
4
6
8
1
5
2
3
18
Expression 19: "D" Subscript, 2 , Baseline equals "M" Subscript, 2 , Baseline minus StartFraction, "R" Subscript, 1 , Baseline Over "R" , EndFraction left parenthesis, negative "M" Subscript, 1 , Baseline , right parenthesis
D
2
=
M
2
−
R
1
R
−
M
1
equals
=
11.6 8 3 3 7 1 5 6 9 7
1
1
.
6
8
3
3
7
1
5
6
9
7
19
Expression 20: "L" Subscript, 1 , Baseline equals "M" Subscript, 1 , Baseline
L
1
=
M
1
equals
=
4.2 9 4 4 2 8 8 4 2 3 4
4
.
2
9
4
4
2
8
8
4
2
3
4
20
Expression 21: "L" Subscript, 2 , Baseline equals "O" Subscript, 2 , Baseline
L
2
=
O
2
equals
=
0
0
21
Expression 22: "M" Subscript, 1 , Baseline equals "R" cosine "B" Subscript, "O" "M" , Baseline
M
1
=
R
c
o
s
B
O
M
equals
=
4.2 9 4 4 2 8 8 4 2 3 4
4
.
2
9
4
4
2
8
8
4
2
3
4
22
Expression 23: "M" Subscript, 2 , Baseline equals "R" sine "B" Subscript, "O" "M" , Baseline
M
2
=
R
s
i
n
B
O
M
equals
=
7.9 0 9 3 5 4 0 1 3 9 6
7
.
9
0
9
3
5
4
0
1
3
9
6
23
Graphs
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24
Expression 25: "y" less than 30
y
<
3
0
25
Expression 26: polygon left parenthesis, "M" , "O" , right parenthesis
p
o
l
y
g
o
n
M
,
O
26
Expression 27: left parenthesis, "R" cos "t" , "R" sin "t" , right parenthesis
R
c
o
s
t
,
R
s
i
n
t
0
0
domain t Minimum:
less than or equal to "t" less than or equal to
≤
t
≤
domain t Maximum: 180
1
8
0
27
Expression 28: polygon left parenthesis, "A" , "L" , "M" , "L" , "B" , "C" , "D" , right parenthesis
p
o
l
y
g
o
n
A
,
L
,
M
,
L
,
B
,
C
,
D
28
Expression 29: left parenthesis, "M" Subscript, 1 , Baseline plus "R" Subscript, 1 , Baseline cos "t" , "M" Subscript, 2 , Baseline plus "R" Subscript, 1 , Baseline sin "t" , right parenthesis
M
1
+
R
1
c
o
s
t
,
M
2
+
R
1
s
i
n
t
domain t Minimum: "B" Subscript, "O" "M" , Baseline plus 90
B
O
M
+
9
0
less than or equal to "t" less than or equal to
≤
t
≤
domain t Maximum: "B" Subscript, "O" "M" , Baseline plus 270
B
O
M
+
2
7
0
29
Points
Points
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30
39
powered by
powered by
O
A
B
C
D
M
L
"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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