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There is nothing in the question to indicate that it is a regular octagon and since that cannot be assumed, there is not enough information to calculate its area.
Even if it were regular, the answer will depend what the 8-foot measure refers to: the length of a side of the octagon, its diameter, its apothem etc.
What else can I help you with?
How many square feet in 17x12 foot?
204 square feet.
How many square feet is 10 foot by 10 foot?
on a wall it would be 100 square feet.
How many square feet are in a 4 foot by 8 foot banner?
There are 32 square feet in a banner of this size.
How many square feet in a square decimeters?
0.107639104 square foot
How many square feet is 60 foot x 30 foot?
60 x 30 = 1,800 square feet
How many square feet in a 3 foot octagon?
7??
How many square feet in a 40 foot wide octagon?
It is not possible to answer this question since a 40 foot octagon could be extremely long.
How many square feet is there in an octagon if all 8 sides were 20 feet long?
The answer is 1931,37 square feet.
How many square feet are in a 15 foot by 15 foot?
225 square feet
How many square feet is 6 foot by 50 foot?
300 square feet
How many square feet in 17 foot by 20 foot?
340 square feet.
How many square feet in a 25 foot by 40 foot yard?
1,000 square feet.
How many square feet in a 9 foot by 12 foot room?
108 square feet
How many square feet in a 11 foot by 15 foot room?
165 square feet
How many square feet in 4 foot by 40 foot?
A total of 160 square feet.
15 foot by 18 foot equals how many square feet?
The answer is 270 square feet.
How many square feet in 17x12 foot?
204 square feet.
