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OpenStudy (anonymous):
What is the degree measure of each interior angle of a regular dodecagon? 150° ,135° ,120° ,100°
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ganeshie8 (ganeshie8):
find the exterior angle, and subtract it from 180
hartnn (hartnn):
sum of interior angles of a dodecagon is 1800 degrees and dodecagon has 12 sides so now can u tell what will be the measure of each interior angle?
hartnn (hartnn):
it would be 1800/12 =?
OpenStudy (anonymous):
ok so the answer should 150
hartnn (hartnn):
yup :)
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