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# Perimeter of Parallelograms

Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.

## Find Perimeter and Area of Squares and Rectangles Using Formulas

by Lorrie Self //basic
Use formulas to find the perimeter and area of squares and rectangles
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## Area Explorer

by Kyle Bardman //basic
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## Everything You Wanted to Know About Perimeter and Area

by Kyle Bardman //basic
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## Area and Perimeter

by Kyle Bardman //basic
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• Flashcards

## Find Perimeter and Area of Squares and Rectangles Using Formulas

by Tiffany Kwok //basic