Errata for Worksheet & Solution Page 161-1:

Problem 2 says, "Draw the cuboctahedron inside the tetrahedron..."

Shouldn't that say '... inside the octahedron..."

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Errata for your errata sheet Worksheet 78-2 (11/14/07):

Problem #6: You left pi out of the answer; it should be 1.62 pi cm squared.

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Errata for your errata sheet Worksheet 141-1 (8/22/08):

Problem #4: When you corrected the numbers in this answer, you gave the final answer as dm squared; it should be dm cubed because it's volume.