1) The measure of an interior angle is 150. find the number of sides of the polygon?

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1 Answer
Jim G.
Apr 10, 2018

#12" sides"#

Explanation:

#"using the following steps"#

#• " subtract the interior angle from "180^@#

#color(white)(xx)["interior angle + interior angle "=180^@]#

#rArr180-150=30^@larrcolor(red)"exterior angle"#

#• " sum of exterior angles "=360^@#

#rArr"number of sides "=360/30=12#

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