Name the term that best describes the notation.
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![Page 1: Name the term that best describes the notation.](https://reader036.fdocuments.in/reader036/viewer/2022081418/56812a44550346895d8d7431/html5/thumbnails/1.jpg)
Name the term that best describes the notation.
Secant
Radius
DiameterChord
Tangent
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TANGENT = a LINE that
intersects the circle exactly
ONE time
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Common Tangents
http://www.ies.co.jp/math/java/geo/comtan/comtan.html
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YOUR TURN
3 common tangents 0 common tangents 1 common tangent
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If a line is tangent to a circle, then it is perpendicular to the radius drawn to the point of tangency
Point of Tangency
More Pythagorean Theorem type problems! Yeah!!
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leg2 + leg2 = hyp2
x = 15
92 + 122 = x2
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leg2 + leg2 = hyp2
RQ = 16
122 + x2 = (8+12)2
122 + x2 = 202
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leg2 + leg2 = hyp2
r2 + 482 = (r+36)2
r2 + 2304 = r2 +72r+1296
r=14
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RS
T
TSRS
If two segments from the same
exterior point are tangent to a circle,
then they are congruent.
Party hat problems!
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R
S
T
22 x
11 1122 x92 x
3x
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A
C
B
132 x
47
30x
2 13 47x
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A
C
B
15
2x
9
28x
15 9
2x