How do you find the volume and surface area?

To find the surface area of a prism (or any other geometric solid) we open the solid like a carton box and flatten it out to find all included geometric forms. To find the volume of a prism (it doesn't matter if it is rectangular or triangular) we multiply the area of the base, called the base area B, by the height h.

The find the volume and you will have to know the formula for it.
Formula for Volume: L x W x H

How to find surface area: Find the area for all of the faces the shape has then add them all up to find the surface area.

In this case of the volume :19x10x12=2,280
Surface area:(19x12)+(19x12)+(10x19)+(10x19)+(12x10)+(12x10)=956

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Step-by-step explanation: