4th grade Math
posted by Nels on .
what is a polygon with exactly four angles

Check the chart at this site.
http://www.math.com/school/subject3/lessons/S3U2L1GL.html 
However, there are several types of quadrilaterals: squares, rectangles and parallelograms.
I hope this helps a little more. Thanks for asking. 
A polygon can be any shape not just shapes with 4 angles.

A polygon can be any shape not just shapes with 4 angles. anonymous is right.