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Tangential Lines
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Radii
Radii
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15
Points of Tangency
Points of Tangency
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19
Tangent Lines
Tangent Lines
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23
Square Corners
Square Corners
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27
Expression 30: "l" equals StartRoot, left parenthesis, "P" Subscript, 2 , Baseline . "x" minus "P" Subscript, 1 , Baseline . "x" , right parenthesis squared plus left parenthesis, "P" Subscript, 2 , Baseline . "y" minus "P" Subscript, 1 , Baseline . "y" , right parenthesis squared , EndRoot
l
=
P
2
.
x
−
P
1
.
x
2
+
P
2
.
y
−
P
1
.
y
2
equals
=
0.4 1 4 2 1 3 5 6 2 3 7 3
0
.
4
1
4
2
1
3
5
6
2
3
7
3
30
Expression 31: "A" equals "l" squared
A
=
l
2
equals
=
0.1 7 1 5 7 2 8 7 5 2 5 4
0
.
1
7
1
5
7
2
8
7
5
2
5
4
31
${A} "N" equals left parenthesis, StartFraction, "S" Over 2 , EndFraction , StartFraction, "S" Over 2 , EndFraction , right parenthesis
N
=
S
2
,
S
2
Label:
equals
=
left parenthesis, 1 , 1 , right parenthesis
1
,
1
32
33
powered by
powered by
0.17157288
"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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