Posted by thomas on Wednesday, October 7, 2009 at 8:56pm.
Explain the difference between the following pairs of
geometric figures:
a simple closed curve and a nonsimple closed curve
a convex polygon and a nonconvex polygon

math  Anna, Wednesday, October 7, 2009 at 9:07pm
A simple closed curve is a curve, such as a circle, that is closed and does not intersect itself.