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PRE-ALGEBRALesson 114 of 171

2-DIMENSIONAL FIGURES

Polygons

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...

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High School Math

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*Also referred to as Elementary Algebra or Beginning Algebra.

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