144° is the measure of all the ten sides of a decagon. Multiply that number by 10, and you get 1,440° as your final answer. Hope I helped!
* * * * *
No, you did not help! While the answer is correct, it is about a decagon whereas the question was about a dodecagon. The interior angles of a dodecagon sum to (12-2)*180 = 1800 degrees.
Chat with our AI personalities
The 12 interior angles of a dodecagon add up to 1800 degrees
The exterior angles of a 12 sided dodecagon add up to 360 degrees
A dodecagon is a 12 sided shape that has 12 interior angles that add up to 1800 degrees and 12 exterior angles that add up to 360 degrees
A dodecagon is a 12 sided polygon which can be regular or irregular and its interior angles add up to 1800 degrees
all inside angles of a hexagon add up to 720°