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Unformatted text preview: Areas of Circles
and Sectors
and
Section 77 Area of a Circle
Area
r A =πr 2 Area of Sector of a Circle
Area
A
O
B »
m AB
2
Area of sector AOB =
•π r
360 Joke Time
Joke What flower grows between your
nose and your chin?
Tulips Why were Goldilocks and the Big
Bad Wolf in the same house?
It was twostory ...
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This note was uploaded on 12/01/2011 for the course MATH 105 taught by Professor Towns during the Fall '10 term at BYU.
 Fall '10
 Towns
 Geometry

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