Question

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

Answer 1

A=2(1+2)a2

Answer 2

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

Answer 3

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

Answer 4

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

Answer 5

Thank you for everyone that replied back ;)

Answer 6

even me :D ????

Answer 7

Area of polygon = 0.5 * apothem * perimeter

Answer 8

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.