Tmiller1924 Tmiller1924

12-03-2021
Mathematics

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Find the area of the regular 15-gon with radius 8 mm.

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sanchie06 sanchie06

12-03-2021

A=(1/2)(r^2)(sin[360/n])(n)
A=(1/2)(8^2)(sin[360/15])(15)
A=(1/2)(64)(sin[24°])(15)
A=(1/2)(64)(0.40673664)(15)
A= 195.2335872

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