ABCDEFGH is a rectangular prism with CD = 5, AD = 6, and AE = 8. Find the volume of tetrahedron ABCF.

picture: https://docs.google.com/document/d/1hegf5RxwIpDmmHgV4Q4RMiPwmeOvlzYMTLivVCiJMZ8/edit

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CD = 5 AD = 6 AE = 8

V_{(ABCF)} = 1/6(CD * AD * AE)

The volume of tetrahedron ABCF is 108.

how did you get that? thanks

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