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To calculate this, you must find out how many triangles you can draw into the shape. Do this by taking the total number of sides (s) and taking away 2. This leaves you with how many triangles you can draw in the shape (t) from one vertex to another. (Not including outside lines!). Then, multiply the number of triangles in the shape by 180. This leaves you with how many degrees are inside that shape. (a)
t = s-2
a = t X 180
This means there are 1800 degrees in a 12 sided polygon.
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How many degrees are in a 12 sided polygon?
1800 degrees (that is the sum of the internal angles of the 12-sided polygon).
How many degrees each side in a 12 sided polygon?
Degrees are used to measure angles, not the lengths of sides.
What is the sum of the measure of the interior angles of a 12 Sided polygon?
The interior angles of a 12 sided polygon add up to: (12-2)*180 = 1800 degrees
What shape has 30 degrees for the exteroir angle?
12 sided regular polygon.
How many sides does a regular polygon if each exterior angle is 12 degrees?
Sum of exterior angles = 360 degrees If each one is 12 deg there must be 360/12 = 30 of them. So it is a 30 sided polygon.
