Fill in the blank: Type your answer in the box, select the appropriate units and then click "submit."

What is the area of the regular octagon given below? If necessary, round your answer to two decimal places.
http://assets.openstudy.com/updates/attachments/51f80a1ee4b05639fef0c672-%25CF%259F%25C6%2599%25CA%2580%25C9%25A9%25D7%259F%25D7%259F%25CF%2583x-1375210070566-2310c81af7e348499dea081c145a9276.gif

Question

Fill in the blank: Type your answer in the box, select the appropriate units and then click "submit."

What is the area of the regular octagon given below? If necessary, round your answer to two decimal places.
http://assets.openstudy.com/updates/attachments/51f80a1ee4b05639fef0c672-%25CF%259F%25C6%2599%25CA%2580%25C9%25A9%25D7%259F%25D7%259F%25CF%2583x-1375210070566-2310c81af7e348499dea081c145a9276.gif

anonymous · Answer

you know area of triangle>>>>>

anonymous · Answer

all I have is the base and the apothem

anonymous · Answer

it is enough

anonymous · Answer

you divide the octagon in to 16 triangles

anonymous · Answer

http://www.math-prof.com/Geom/Geom_Ch_27.asp

anonymous · Answer

just try

anonymous · Answer

I end up with 1024

anonymous · Answer

(0.5 *17*20.52)is area of one triangle 
then the result *16 =2790.72

anonymous · Answer

square units right

anonymous · Answer

yes

anonymous · Answer

it was wrong:(

anonymous · Answer

395.36 - 1395.42
was the answer

anonymous · Answer

http://www.math-prof.com/Geom/Geom_Ch_27.asp

anonymous · Answer

yes you  are right i am sorry
  0.5 *(17/2)*20.52=87.21
87.21*16=1395.36