The base.
a triangle
because if it had 4 straight lines instead, we would call it a rectangle.
pet
You should call a professional landscaper or a drainage specialist to address standing water in your yard.
It is the introduction. But I wouldn't call it the "soul."
you call them problems because you need to figure it out and it could come in your life and you have to figure it out
A 17 sided figure is a heptadecagon.
1200 sided figure is chiliadihectagon
my friends and i call it skating
Rotation.
Perimeter
I would call it a 102-gon.