PRE-ALGEBRALesson 114 of 171
Students learn that a polygon is a closed figure whose sides are line segments that do not cross, and a regular polygon is a polygon where all of the sides have equal lengths and all of the angles have equal measures. Students also learn to classify polygons based on number of sides: more...
Elementary / Middle
High School Math
*Also referred to as Elementary Algebra or Beginning Algebra.
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