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Mathematics 21 Online
OpenStudy (alivejeremy):

The formula S=p/n gives the formula for the side length s of a regular polygon with n sides and perimeter P. A regular octagon has 8 equal sides. What is the side length of a regular octagon with a perimeter of 25.6 in.?

OpenStudy (study_together):

Okay the perimeter of an octagon is P=8a

OpenStudy (alivejeremy):

divde 8 by 25.6

OpenStudy (study_together):

So it will be 25.6 = 8* a

OpenStudy (study_together):

Yep you got it correct

OpenStudy (study_together):

So what would the answer be?

OpenStudy (alivejeremy):

3.2

OpenStudy (study_together):

@alivejeremy

OpenStudy (study_together):

Yes, so the answer or the length of the side is 3.2

OpenStudy (study_together):

Thanks

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