just do length x width EXAMPLE:length is the top of the figure width; is the side figure so. is like say its 8 is thelength &8is thewidth 8x8 equal64 also with area always multipy...
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The remaining figure is the are of polygons that bounded by three dimensional figure .
count the boxes
NO. This is the way to get the volume of a prism, not the surface area of any three-dimensional figure. To find the surface area of a three-dimensional figure, you must find the area of each of its faces and then add the side-areas together.
Area of a square: A=s*s A=s2
find the square root