an open figure is a figure with its ends NOT connected
an open figure is a polygon that is not completely closed.
an open plan figure is a figure whose end point are not connected
It depends when the windows are open no, but when they are not, yes.
closed figure
yes, a triangle is a closed figure
NO! Don't open it!
No, take a semicircle, it is a plane figure and is open. Or a parabola is also open and a plane figure.
Vega
Closed
its open now. go on poptropica and figure that out yourself
be smart and you will figure it out
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