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### Course: Geometry (all content) > Unit 7

Lesson 3: Perimeter- Perimeter: introduction
- Perimeter of a shape
- Find perimeter by counting unit squares
- Find perimeter by counting units
- Finding perimeter when a side length is missing
- Find perimeter when given side lengths
- Finding missing side length when given perimeter
- Find a missing side length when given perimeter
- Perimeter & area
- Perimeter and unit conversion
- Applying the metric system to perimeter
- Perimeter review

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# Find perimeter by counting units

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