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OpenStudy (dengeki_daisy):
what is the area of a regular pentagon with a side of 12 in. Round to the answer to the nearest tenth. (wouldn't it be 247.7)
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OpenStudy (math&ing001):
Yep, correct !
OpenStudy (dengeki_daisy):
Yey, thank you..I wasn't sure
OpenStudy (math&ing001):
Welcome =)
OpenStudy (mathmale):
What do you mean by "regular pentagon?" I'd suggest you draw such a pentagon. Label the sides. Now divide this "regular pentagon with side length 12" into 5 "pie slices." Think about how you would calculate or measure the central angle of a typical pie slice. How would you use this info to determine the area of one "pie slice?"
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