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OpenStudy (anonymous):
Find the measure of each interior angle of a regular dodecagon.
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ganeshie8 (ganeshie8):
dodecagon has 12 sides, so its exterior angle is 360/12 = 30. and hence its interior angle will be 180-30 = 150
OpenStudy (anonymous):
How many sides does a dodecagon have? Once you figure that out, you just have use the formula "sum of interior angles"=(n-2)*180 degrees. Where n is the number of sides. Once you find the total, divide it by n to get the measure of each interior angle.
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