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Blue Area = 20 Square Units
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Expression 16: "C" Subscript, 1 , Baseline equals "R" cosine "B" Subscript, "O" "C" , Baseline equals 1.4 6 9 1 3 5 8 0 2 4 7
C
1
=
R
c
o
s
B
O
C
equals
=
1.4 6 9 1 3 5 8 0 2 4 7
1
.
4
6
9
1
3
5
8
0
2
4
7
16
Expression 17: "C" Subscript, 2 , Baseline equals "R" sine "B" Subscript, "O" "C" , Baseline equals 6.8 4 4 0 9 5 2 6 4 8 2
C
2
=
R
s
i
n
B
O
C
equals
=
6.8 4 4 0 9 5 2 6 4 8 2
6
.
8
4
4
0
9
5
2
6
4
8
2
17
Expression 18: "D" Subscript, 1 , Baseline equals "A" Subscript, 1 , Baseline plus left parenthesis, "R" plus "M" Subscript, 1 , Baseline , right parenthesis cosine StartFraction, "B" Subscript, "O" "C" , Baseline Over 2 , EndFraction equals negative 0.7 7 7 7 7 7 7 7 7 7 7 8
D
1
=
A
1
+
R
+
M
1
c
o
s
B
O
C
2
equals
=
negative 0.7 7 7 7 7 7 7 7 7 7 7 8
−
0
.
7
7
7
7
7
7
7
7
7
7
7
8
18
Expression 19: "D" Subscript, 2 , Baseline equals left parenthesis, "R" plus "M" Subscript, 1 , Baseline , right parenthesis sine StartFraction, "B" Subscript, "O" "C" , Baseline Over 2 , EndFraction equals 5.0 2 8 3 1 4 8 8 8 4 4
D
2
=
R
+
M
1
s
i
n
B
O
C
2
equals
=
5.0 2 8 3 1 4 8 8 8 4 4
5
.
0
2
8
3
1
4
8
8
8
4
4
19
Expression 20: "E" Subscript, 1 , Baseline equals "M" Subscript, 1 , Baseline plus left parenthesis, "D" Subscript, 2 , Baseline minus "M" Subscript, 2 , Baseline , right parenthesis equals 3.1 9 9 8 8 7 7 6 3 6 9
E
1
=
M
1
+
D
2
−
M
2
equals
=
3.1 9 9 8 8 7 7 6 3 6 9
3
.
1
9
9
8
8
7
7
6
3
6
9
20
Expression 21: "M" Subscript, 1 , Baseline minus "M" Subscript, 2 , Baseline plus "D" Subscript, 2 , Baseline equals 3.1 9 9 8 8 7 7 6 3 6 9
M
1
−
M
2
+
D
2
equals
=
3.1 9 9 8 8 7 7 6 3 6 9
3
.
1
9
9
8
8
7
7
6
3
6
9
21
Expression 22: "E" Subscript, 2 , Baseline equals "M" Subscript, 2 , Baseline minus left parenthesis, "D" Subscript, 1 , Baseline minus "M" Subscript, 1 , Baseline , right parenthesis equals 4.6 0 6 2 0 4 9 0 2 5 2
E
2
=
M
2
−
D
1
−
M
1
equals
=
4.6 0 6 2 0 4 9 0 2 5 2
4
.
6
0
6
2
0
4
9
0
2
5
2
22
Expression 23: "M" Subscript, 1 , Baseline plus "M" Subscript, 2 , Baseline minus "D" Subscript, 1 , Baseline equals 4.6 0 6 2 0 4 9 0 2 5 2
M
1
+
M
2
−
D
1
equals
=
4.6 0 6 2 0 4 9 0 2 5 2
4
.
6
0
6
2
0
4
9
0
2
5
2
23
Expression 24: "M" Subscript, 2 , Baseline equals StartRoot, 9 minus "M" squared , EndRoot equals 2.8 2 8 4 2 7 1 2 4 7 5
M
2
=
9
−
M
2
1
equals
=
2.8 2 8 4 2 7 1 2 4 7 5
2
.
8
2
8
4
2
7
1
2
4
7
5
24
Graphs
Graphs
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25
Expression 26: "y" less than 25 Has graph. To audio trace, press ALT+T.
y
<
2
5
26
Expression 27: polygon left parenthesis, "A" , "B" , "M" , right parenthesis Has graph.
p
o
l
y
g
o
n
A
,
B
,
M
27
Expression 28: polygon left parenthesis, "A" , "O" , "M" , "O" , "B" , "M" , "A" , "D" , "M" , "E" , "M" , "D" , "C" , "B" , right parenthesis Has graph.
p
o
l
y
g
o
n
A
,
O
,
M
,
O
,
B
,
M
,
A
,
D
,
M
,
E
,
M
,
D
,
C
,
B
28
Expression 29: left parenthesis, "M" Subscript, 1 , Baseline plus "M" Subscript, 2 , Baseline cos "t" , "M" Subscript, 2 , Baseline plus "M" Subscript, 2 , Baseline sin "t" , right parenthesis Has graph.
M
1
+
M
2
c
o
s
t
,
M
2
+
M
2
s
i
n
t
0
0
domain t Minimum:
less than or equal to "t" less than or equal to
≤
t
≤
domain t Maximum: 360
3
6
0
29
Expression 30: left parenthesis, "R" cos "t" , "R" sin "t" , right parenthesis Has graph.
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
30
Points
Points
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31
43
powered by
powered by
O
A
B
C
E
D
M
3
R = 7
R = 7
"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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