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The same as for any pyramid: calculate the base area, multiply by the (perpendicular) height, divide the result by 3.

The base area of a regular octagon (equal sides, equal angles), based on the length of the sides "a", is 2(1 + squareroot(2))a2.

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Q: How do you find the area of a pyramid with an octogonal base?
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Related questions

How do you find the area of the base of the pyramid?

The answer depends on what information you do have about the pyramid.


What is the formula to find the area of a pyramid?

first you find the area of the base and then you find the area one side of the pyramid an you time it with 3 if it is a triangular pyramid or 4 if it is a square pyramid


How do you find the surface area of an octagonal pyramid?

The formula to find the area of an octagonal pyramid is area of base plus area of sides.


How do you find area of the base of hexagonal pyramid?

The answer depends on what information you do have about the pyramid.


How do you find area of base of hexagonal pyramid?

The answer depends on what information you do have about the pyramid.


How do you find the volume of a pyriamd?

Find the area of the base, find the height of the pyramid. Volume = (1/3)*(area of base)*(height)


What is the formula to find the area of pyramid?

It has to do with the surface area formula: To find the total surface area of a pyramid, use this equation: Surface Area = B + 1/2 * P * s B = base area P = perimeter of the base s = slant height To find the volume of a Pyramid, substitute into this equation: V=1/3Bh B=base area h=height of pyramid


How do you find the area of a base if a pyramid?

Well for starters you find the information that tells you the width and the length of this certain pyramid, then you multiply to 2 numbers together and you will have the base area number.


How do you find the Surface area of pyramids?

The surface area of a pyramid is the area of all the faces of the pyramid, for a pyramid with apex in the centre and a regular polygon as its base, (the bottom of a pyramid is the base, it is regular if all sides are the same length) the surface area is: B + 1/2(P * H) where B is the area of the base, P is the perimeter (area around) the base and H is the height of the pyramid.


How To find out the Volume of a triangular based pyramid?

You have to find out the area of the base which you find out with perpendicular height times base then time that by the perpendicular height of the pyramid and divide it by 3


How do you find a volume for any pyramid?

Volume of a pyramid = 1/3*base area*height


How do you find the area of a pyramid's base?

well at the bottom there is proberly two round spheres so what you do is you is times the spheres by the area of the pyramids base to find out how big it is. ^^this guy is trolling where is there a sphere in a pyramid