To find the total area of a solid, the general formula is SA=(base area)+(perimeter of one face*height).
To put it more simply, if you had a cube with edges 3 inches long, your formula would look like this: Area=(3*3)+(6*3), and the answer would be 27 inches squared.
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The "Surface Area" of the solid figure. Note, the word "total" in the answer above is not correct/needed - there can not be anything less than a surface area of a solid figure.
total surface area
It really depends on what solid you refer to. Basically, the surface area is basically taking a shape's net and finding the area of that.
Volume is how much an object can store - like how much can you put inside a box. Surface area is the sum of the area of an objects surfaces - such as if you have a box, find the area of one side. Then you just multiply it by 6 (because a box have 6 faces) to get the total area of an object's surface.
Divide the base area into the volume.