2 examples which immediately come to mind are a star and a cross, especially the plus sign. especially when the interior is broad.
bee's hive
A beehive.
in your pants
real life examples of distillation is " making of perfume "
some real life examples are a water bottle, pipes, cans
There are very few real life examples of nonagons. The only examples that I can think of are a few coins.
How To Make $100 A Day Passively (Real-Life Examples)
the nature of concave lens is that real image is formed by concave lens
In my openion bubbles in the soap film is the real examples of it.
A real life example of a coast is in Mississippi
ATOMS are real life examples of atoms. They do exist.
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