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Home > MC2 > Chapter 10 > Lesson 10.2.1 > Problem 10-85

10-85.

Each of these objects are three-dimensional and have length, width, and depth.

The surface area of an object is the total area of all its surfaces.
Volume is the number of 1'' squared cubes needed to fill a three dimensional object.

Including the hidden sides, there are 14 total square sides each with area 1 sq in.
There are 3 cubes so the volume is 3 in³.