 ## CCSS.MATH.CONTENT.4.MD.A.3

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### Area and Perimeter of Quadrilaterals: Example 1. Finding the area of a square when all measures are expressed as numbers. ### Area and Perimeter of Quadrilaterals: Example 2. Finding the area of a square when all measures are expressed as variable expressions. ### Area and Perimeter of Quadrilaterals: Example 3. Finding the area of a rectangle when all measures are expressed as numbers. ### Area and Perimeter of Quadrilaterals: Example 4. Finding the area of a rectangle when all measures are expressed as variable expressions. ### Area and Perimeter of Quadrilaterals: Example 5. Finding the area of a parallelogram when all measures are expressed as numbers. ### Area and Perimeter of Quadrilaterals: Example 6. Finding the area of a parallelogram when all measures are expressed as variable expressions. ### Area and Perimeter of Quadrilaterals: Example 7. Finding the area of a trapezoid when all measures are expressed as numbers. ### Area and Perimeter of Quadrilaterals: Example 8. Finding the area of a trapezoid when all measures are expressed as variable expressions. ### Area and Perimeter of Quadrilaterals: Example 9. Finding the area of a rhombus when all measures are expressed as numbers. ### Area and Perimeter of Quadrilaterals: Example 10. Finding the area of a rhombus when all measures are expressed as variable expressions. ### Area and Perimeter of Quadrilaterals: Example 11. Finding the area of a kite when all measures are expressed as numbers. ### Area and Perimeter of Quadrilaterals: Example 12. Finding the area of a kite when all measures are expressed as variable expressions. ### Area and Perimeter of Quadrilaterals: Example 13. Finding the perimeter of a square when all measures are expressed as numbers. ### Area and Perimeter of Quadrilaterals: Example 14. Finding the perimeter of a square when all measures are expressed as variable expressions. ### Area and Perimeter of Quadrilaterals: Example 15. Finding the perimeter of a rectangle when all measures are expressed as numbers. ### Area and Perimeter of Quadrilaterals: Example 16. Finding the perimeter of a rectangle when all measures are expressed as variable expressions. ### Area and Perimeter of Quadrilaterals: Example 17. Finding the perimeter of a parallelogram when all measures are expressed as numbers. ### Area and Perimeter of Quadrilaterals: Example 18. Finding the perimeter of a parallelogram when all measures are expressed as variable expressions. ### Area and Perimeter of Quadrilaterals: Example 19. Finding the perimeter of a trapezoid when all measures are expressed as numbers. ### Area and Perimeter of Quadrilaterals: Example 20. Finding the perimeter of a trapezoid when all measures are expressed as variable expressions. 