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Grey Area = 17 Square Units
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Expression 15: "C" Subscript, 2 , Baseline equals "w" equals 4
C
2
=
w
equals
=
4
4
15
Expression 16: "D" Subscript, 1 , Baseline equals "l" equals 6.5
D
1
=
l
equals
=
6.5
6
.
5
16
Expression 17: "D" Subscript, 2 , Baseline equals "A" Subscript, 2 , Baseline equals 0
D
2
=
A
2
equals
=
0
0
17
Expression 18: "L" Subscript, 1 , Baseline equals "w" cosine left parenthesis, negative "C" Subscript, "B" "M" , Baseline minus "L" Subscript, "B" "M" , Baseline , right parenthesis equals 1.2 9 7 2 9 7 2 9 7 3
L
1
=
w
c
o
s
−
C
B
M
−
L
B
M
equals
=
1.2 9 7 2 9 7 2 9 7 3
1
.
2
9
7
2
9
7
2
9
7
3
18
Expression 19: "L" Subscript, 2 , Baseline equals "B" Subscript, 2 , Baseline plus "w" sine left parenthesis, negative "C" Subscript, "B" "M" , Baseline minus "L" Subscript, "B" "M" , Baseline , right parenthesis equals 0.2 1 6 2 1 6 2 1 6 2 1 6
L
2
=
B
2
+
w
s
i
n
−
C
B
M
−
L
B
M
equals
=
0.2 1 6 2 1 6 2 1 6 2 1 6
0
.
2
1
6
2
1
6
2
1
6
2
1
6
19
Expression 20: "M" Subscript, 1 , Baseline equals "l" equals 6.5
M
1
=
l
equals
=
6.5
6
.
5
20
Expression 21: "M" Subscript, 2 , Baseline equals StartFraction, "w" Over 2 , EndFraction equals 2
M
2
=
w
2
equals
=
2
2
21
Expression 22: "N" Subscript, 1 , Baseline equals "L" Subscript, 1 , Baseline plus "l" cosine left parenthesis, 90 minus "C" Subscript, "B" "M" , Baseline minus "L" Subscript, "B" "M" , Baseline , right parenthesis equals 7.4 4 5 9 4 5 9 4 5 9 5
N
1
=
L
1
+
l
c
o
s
9
0
−
C
B
M
−
L
B
M
equals
=
7.4 4 5 9 4 5 9 4 5 9 5
7
.
4
4
5
9
4
5
9
4
5
9
5
22
Expression 23: "N" Subscript, 2 , Baseline equals "L" Subscript, 2 , Baseline plus "l" sine left parenthesis, 90 minus "C" Subscript, "B" "M" , Baseline minus "L" Subscript, "B" "M" , Baseline , right parenthesis equals 2.3 2 4 3 2 4 3 2 4 3 2
N
2
=
L
2
+
l
s
i
n
9
0
−
C
B
M
−
L
B
M
equals
=
2.3 2 4 3 2 4 3 2 4 3 2
2
.
3
2
4
3
2
4
3
2
4
3
2
23
Expression 24: "P" Subscript, 1 , Baseline equals "l" cosine left parenthesis, 90 minus "C" Subscript, "B" "M" , Baseline minus "L" Subscript, "B" "M" , Baseline , right parenthesis equals 6.1 4 8 6 4 8 6 4 8 6 5
P
1
=
l
c
o
s
9
0
−
C
B
M
−
L
B
M
equals
=
6.1 4 8 6 4 8 6 4 8 6 5
6
.
1
4
8
6
4
8
6
4
8
6
5
24
Expression 25: "P" Subscript, 2 , Baseline equals "B" Subscript, 2 , Baseline plus "l" sine left parenthesis, 90 minus "C" Subscript, "B" "M" , Baseline minus "L" Subscript, "B" "M" , Baseline , right parenthesis equals 6.1 0 8 1 0 8 1 0 8 1 1
P
2
=
B
2
+
l
s
i
n
9
0
−
C
B
M
−
L
B
M
equals
=
6.1 0 8 1 0 8 1 0 8 1 1
6
.
1
0
8
1
0
8
1
0
8
1
1
25
Graphs
Graphs
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26
Expression 27: "y" less than 25 Has graph. To audio trace, press ALT+T.
y
<
2
5
27
Expression 28: polygon left parenthesis, "A" , "B" , "L" , "N" , "P" , "B" , "C" , "D" , right parenthesis Has graph.
p
o
l
y
g
o
n
A
,
B
,
L
,
N
,
P
,
B
,
C
,
D
28
Expression 29: polygon left parenthesis, "B" , "A" , "D" , "M" , "L" , "B" , "P" , "N" , "M" , "C" , right parenthesis Has graph.
p
o
l
y
g
o
n
B
,
A
,
D
,
M
,
L
,
B
,
P
,
N
,
M
,
C
29
Points
Points
Hide this folder from students.
30
45
powered by
powered by
A
B
C
D
L
M
N
P
2
2
1
ABCD & BLNP are Congruent Rectangles.
Grey Area = ?
"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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