What is the measure of an interior angle of a regular three-sided polygon?
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Answer: 9 and 1/3
Step-by-step explanation: To write an improper fraction as a mixed number, we divide the denominator into the numerator.
In this case, we divide 3 into 28.
3 divides into 28 nine times with a remainder of 1.
In other words, 9 wholes and 1 out of 3.
