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9-56.

Find the volume and surface area of each shape below. Assume that the edge of each cube measures ".  Homework Help ✎

  1. cube

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

    Volume is the number of cubes needed to fill a three dimensional object.

    The surface area of an object is the total area of all its surfaces.

  1. three cubes

    See part (a).

  1. First row - one cube; second row - three cubes

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