This brainteaser was written by Derrick Niederman. The triangle below lies on a flat surface and is pushed at the top vertex. The length of the congruent sides does not change, but t - Derrick - Document - PDFSEARCH.IO

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	This brainteaser was written by Derrick Niederman. The triangle below lies on a flat surface and is pushed at the top vertex. The length of the congruent sides does not change, but t Add to Reading List Document Date: 2013-09-03 14:21:05 Open Document File Size: 240,04 KB Share Result on Facebook

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This brainteaser was written by Derrick Niederman. The triangle below lies on a flat surface and is pushed at the top vertex. The length of the congruent sides does not change, but tAdd to Reading List