Math CentralQuandaries & Queries


Question from Laura, a parent:

How do I find the volume of a cube with dimensions of .78 cm, .3 cm and .22 cm? Then find the volume in ML and the mass if filled with water?

Hi Laura,

The shape you describe is not a cube. To be a cube all three dimensions need to be the same. What you describe is a rectangular prism, but I would just call it a box.

The volume s the length times the width times the height. Since your dimensions are in centimeters the volume will be in cubic centimeters. Also one cubic centimeter is a milliliter (ml). Finally one ml of water has the mass of one gram.


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