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From our Dr. Math archives: Three Cuts, Seven Pieces Is there any way that you can cut a pie into seven pieces with just three straight cuts? . . . Yes, this can be done. Around the outside of the pie pick five points A, B, C, D, and E. Cut A to D and B to E. Call the intersection of these cuts P. Pick a sixth point F on the outside of the pie between E and A, but not on the line CP extended. Cut C to F.See the seven pieces? If you are allowed to rearrange the pieces after the second cut, you can even make eight pieces. Would you like to see our whole elementary level archive? or go on to how to search |
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