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Mathematics 10 Online
OpenStudy (anonymous):

I need help finding the area of the hexagon, with the radius of 7 cm

OpenStudy (anonymous):

OpenStudy (jdoe0001):

tiff?

OpenStudy (anonymous):

.........IDK

OpenStudy (jdoe0001):

hehe, I guess I should be glad it isn't a bmp

OpenStudy (jdoe0001):

\(\bf \cfrac{1}{2}nR^2 \times sin\left(\cfrac{360}{n}\right)\) n = number of sides of polygon R = radius of circumcircle

OpenStudy (anonymous):

THIS MAKES EVERYITHING SO MUCH EASIER!!!! OMG YOU'RE A LIFE SAVER!!!

OpenStudy (anonymous):

So then the area would be 36.4 cm^2?

OpenStudy (jdoe0001):

hmm, make sure your calculator isn't in Radians mode when calculating the sine

OpenStudy (anonymous):

.....okay

OpenStudy (anonymous):

127.3 cm^2?

OpenStudy (jdoe0001):

yes

OpenStudy (anonymous):

I forgot to do R^2 hahaha

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