Posted by **alex** on Monday, October 24, 2011 at 9:10am.

triangular pyramid with base vertices C, A, E and B, D, and F

How many planes are shown in the figure?

- geometry -
**Jai**, Monday, October 24, 2011 at 9:57am
but we need to see the figure..

- geometry -
**Steve**, Monday, October 24, 2011 at 10:50am
Presumably this is a truncated triangular pyramid. So, it has a lower base CAE and an upper base BDF, and three slanting faces. Sounds like 5 faces, or planes.

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