Aregular decagon has a radius of 8 cm. what is the approximate area of the decagon? recall that a decagon is a polygon with 10 sides.

a) 188 cm^2
b) 198 cm^2
c) 304 cm^2
d) 375 cm^2

The anwer is A) 188cm^2

Step-by-step explanation:

the area formula using radius is

    r^2sin(360/n)

a=

             2

a=64sin(360/10)

            2

a=188

relating to or denoting a system of numbers and arithmetic based on the number ten, tenth parts, and powers of ten.

step-by-step explanation: