Question

Find the area of polygon. Round to the nearest tenth.

a regular octagon with a perimeter of 72 inches

Answer 1

@shreya.

Answer 2

area of an octagon is \[2\cot \frac{ \pi }{ 8 }a^{2}\]

Answer 3

the diameter wold be same as the length side

Answer 4

where a is the side of the octagon which in this case it's 9

Answer 5

what do u mean ??

Answer 6

i must use this formula A=1/2(a)(P)

Answer 7

yes,I mean the radius wold be 9 or no?

Answer 8

you mean the circumradius ?

Answer 9

no 9 is the side of the octagon

Answer 10

i need to find the apothem