deshaunh deshaunh

24-03-2017
Mathematics

contestada

what is the area of a regular pentagon with 7 inch sides and an apothem of 3.9 inches?

Respuesta :

28-03-2017

a(n)=(ns^2)/(4tan(180/n)) in this case:

a=(5*49)/(4tan36)

a=84.3in^2

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