All About Education
Math
Worksheet
Topic: Angle Properties of Polygon
The General Rules
Shape
|
Sides
|
Sum of Interior Angles
|
Each Angle
|
|
Triangle
|
3
|
180⁰
|
---------
|
60⁰
|
Quadrilateral
|
4
|
360⁰
|
---------
|
90⁰
|
Pentagon
|
5
|
540⁰
|
---------
|
108⁰
|
Hexagon
|
6
|
720⁰
|
120⁰
|
|
Heptagon or Septagon
|
7
|
900⁰
|
--------
|
128.57…⁰
|
Ocatgon
|
8
|
1080⁰
|
--------
|
135⁰
|
Any Polygon
|
n
|
(n-2)x 180⁰
|
--------
|
(n-2)x180⁰/n
|
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