Just look at the world we live in - the entire world - and see if any nation, people or individuals live by the 10 Commandments. We are all lost to some degree in this world of moral and secular relativism. The individual must decide to be part of the 'pack' or escape and come out of this world probably to ridicule, being ostracized, and perhaps even worse.
There are very few real life examples of nonagons. The only examples that I can think of are a few coins.
some real life examples are a water bottle, pipes, cans
In my openion bubbles in the soap film is the real examples of it.
ATOMS are real life examples of atoms. They do exist.
A real life example of a coast is in Mississippi
real life example of exterior angles
MT.Everest
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There are many examples of daily life applications of real numbers. Some of these examples include clocks and calendars.