[i]Originally posted by BobCo19-65[i]

" That' s intersting, what does " in the same plane" mean anyway? "

Planes:
Classification and Identification

" A plane is a flat object or surface. It can be infinite in size or bound by a size.
Any flat surface can lie in a plane that is infinite in size.
A plane can take any shape (square, rectangle, circle, triangle, etc.) as long as it is FLAT."

Descriptive Geometry
The Geometery of Engineering Drawing

Dr. Christ Panos

Northwood Publishing

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