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The area of the polygonal base, and the areas of each of its lateral faces (which need not be equal).

The area of the polygonal base, and the areas of each of its lateral faces (which need not be equal).

The area of the polygonal base, and the areas of each of its lateral faces (which need not be equal).

The area of the polygonal base, and the areas of each of its lateral faces (which need not be equal).

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Q: What two areas are needed to calculate the surface area of a pyramid?

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Using the dimensions you're given and those that you can calculate . . .-- Calculate and write down the area of each face of the pyramid.-- Then add up all of the individual areas.-- The sum is the surface area of the pyramid.

It is the sum of the areas of its four faces.

To calculate the surface area of a shape find the area of each side, and then, add all of the areas together. The sum of the areas is the surface area.

It is: base area+(4*triangle areas)

The answer will depend on what the surface area is of. The surface areas of regular shapes are can be calculated from formulae but these will depend on the shapes. For non-regular areas there may or may not be simple formulae.

Find the surface area of each of the four triangular faces (they need not be the same) and sum the individual areas.

You measure or calculate the surface area; you measure or calculate the volume and then you divide the first by the second. The surface areas and volumes will, obviously, depend on the shape.

The answer to the question depends on whether you want to calculate the surface areas or the volumes, or some other measure.

The surface area is the areas of all the parts needed to cover the can, which are the top and bottom circles.

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.

Calculate the area of the 2 triangles first, which is base multiplied by height, then divided by 2. Then find the area of the 3 rectangles, which is length multiplied by width. Finally, just add all the areas together, and there you go! You get the surface area! :D <3

Add the areas of all the faces (Flat sides).

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