Welcome to free math help,
The introduction of the idea of a zonogon (all pairs of opposite sides
parallel and congruent) looked as if it might make the term Calligram
superfluous until we found the hexagon created by lopping off the
corners of a regular triangle. math helper; Parallel opposite sides then did not
imply equal opposite sides, and the Calligram (or whatever someone
already named it) is preserved as a unique set.
Still, it surprises me, after reading the definitions for things like
'open', 'closed', 'bounded', etc. that 'opposite' wouldn't show up in
a glossary. Especially when you think of all the geometric theorems
that use the term - "the side opposite the largest angle in a
triangle..." etc. If a published formal definition pops up, please let
me know. learn more on online math forum.
The introduction of the idea of a zonogon (all pairs of opposite sides
parallel and congruent) looked as if it might make the term Calligram
superfluous until we found the hexagon created by lopping off the
corners of a regular triangle. math helper; Parallel opposite sides then did not
imply equal opposite sides, and the Calligram (or whatever someone
already named it) is preserved as a unique set.
Still, it surprises me, after reading the definitions for things like
'open', 'closed', 'bounded', etc. that 'opposite' wouldn't show up in
a glossary. Especially when you think of all the geometric theorems
that use the term - "the side opposite the largest angle in a
triangle..." etc. If a published formal definition pops up, please let
me know. learn more on online math forum.
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