161 Areas of Circles and
Sectors
A)
Polygons
a.
A polygon is a figure formed by fitting together
segments end to end.
i.
No two of the segments intersect except at their
endpoints.
ii.
No two segments with a common end point are
collinear
b.
Examples
c.
Examples of non polygons
B)
Definitions
a.
Vertices
i.
Points T, P, S, and R
b.
Sides
i.
c.
Angles
i.
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d.
Perimeter
i.
The sum of the sides
e.
Diagonal
i.
A segment whose endpoints are two
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 Spring '09
 Johnson
 Algebra, opposite sides, common end point, sides Diagonal

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