A regular octagon has a side of approximately
4.1cm and an apothem of approximately 5.0cm.
Find the area of the octagon.

Question

A regular octagon has a side of approximately 
4.1cm and an apothem of approximately 5.0cm.
Find the area of the octagon.

anonymous · Answer

A=2(1+2)a2

fibonaccichick666 · Answer

You either need to know the formula for area of an octagon or derive it.  Which do you choose?

btaylor · Answer

The formula for the area of an octagon is 1/2(apothem)(perimeter).

anonymous · Answer

im sorry itnumbers my brain jsut shot it self with idiocy im sorry

anonymous · Answer

Thank you for everyone that replied back ;)

anonymous · Answer

even me :D ????

mathstudent55 · Answer

Area of polygon = 0.5 * apothem * perimeter

mathstudent55 · Answer

You have the apothem.
You can find the perimeter by multiplying the number of sides by the length of one side.
Octagon = 8-sided polygon.