Exterior angles of polygons
What is an exterior angle?
EXTERIOR think EXTEND
Concentrate on the beginning of the word, 'EXT'.
Note: The exterior angle and the interior angle add up to 180°.
This works both ways:
So the exterior angle cannot be:
Here's an example using a hexagon:
![](/images/user/base/Maths/Logarithms/Reference%20Tables/reference-log-table-1.4df6ee6.jpg)
![](/images/user/base/Maths/Logarithms/Reference%20Tables/reference-log-table-2.d516bb3.jpg)
![](/images/user/base/Maths/Logarithms/Reference%20Tables/reference-anti-log-table-1.b0b0513.jpg)
![](/images/user/base/Maths/Logarithms/Reference%20Tables/reference-anti-log-table-2.f89189d.jpg)