Each one of them can have any value between 0 and 360 degrees (except 180 which gives a straight line), subject only to the constraint that they sum to 1800 degrees.
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The sum of the interior angles of a dodecagon is:sum = (12 - 2) x 180o= 1800oIn a regular dodecagon, each of the interior angles is 1800o ÷ 12 = 150o
Exterior angles: 360 degrees Interior angles: 1800 degrees
The 12 interior angles of a dodecagon add up to 1800 degrees
The interior angles of a dodecagon sum to 1800 degrees.
The exterior angles of a 12 sided dodecagon add up to 360 degrees