A map is a good example.
An upgrade on a road...
mountains?
Hyperbola = sundial Ellipse = football
There are very few real life examples of nonagons. The only examples that I can think of are a few coins.
in the real world
Roads are an example of intersecting lines in the real world.
my mom
Scales or balances.
A Jarlid
Balls
McDonalds Arches
On Batman(donnanonanon!)
normal_distribution
Railroad tracks, the edges of a book, and the lines on a ruled notebook paper are real-world examples of parallel lines.
One example of an octahedron in the real world is a diamond crystal structure, which is a naturally occurring octahedral shape due to its arrangement of carbon atoms. Another example is the molecular structure of sulfur hexafluoride (SF6), which has an octahedral shape with six fluorine atoms surrounding a central sulfur atom.
Blood capillaries