For example, figures like C and N are open figures, and figures like O and D are closed.
Open
The buliding top of a city skyline is closed
not sure what the answer is it think the answer is the top of building is closed not but not show how to explain why can you help
yes polygons are closed figures
No, take a semicircle, it is a plane figure and is open. Or a parabola is also open and a plane figure.
Yes quadrilaterals are 4 sided closed figures or polygons
"Show" is open, "and" is closed. O- is open, -pen is closed. "Closed" is closed.
sides - once a line segment is closed its a side ___ l l l____l if u closed thos two segments - ( the open lines) they become sides like the closed ones
A polygon
a construction site?
well, i think that open population is OPEN and closed is Closed
One open, one closed.