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Home > CCG > Chapter 9 > Lesson 9.2.4 > Problem 9-103

9-103.

Find the volumes of the solids below.  Homework Help ✎

  1. cylinder with a hole

    Recall the formula for the volume of a cylinder.

  1. regular octagonal prism

    Divide the octagonal base into congruent triangles to find its area.

    Now use the formula to find the volume of the prism.