1/4/17 class notes - School District of Clayton

January 04, 2017
Welcome back!
I hope everyone had a great winter break!
1/4/17
Intro to Polygons
January 04, 2017
WARM-UP
January 04, 2017
January 04, 2017
Equilateral Polygon
Polygon with all sides congruent
Equiangular Polygon
Polygon with all angles congruent
January 04, 2017
Convex Polygons
Polygon whose interior angles are all less than or
equal to 180 degrees
Concave Polygons
Polygon with at least one interior angle that
measures greater than 180 degrees
January 04, 2017
Naming polygons - know by FRIDAY
We name polygons by the number of sides they
have.
Number of Sides Name of Polygon
3
4
5
6
7
8
9
10
n
triangle
quadrilateral
pentagon
hexagon
heptagon
octagon
nonagon
decagon
n-gon
January 04, 2017
Name these polygons by their sides, whether
they are regular or irregular, and whether they
are convex or concave.
January 04, 2017
January 04, 2017
Find the Area and the Perimeter
A(-6, 3)
B
A
B(2, 7)
C(5, 3)
C
January 04, 2017