I'll work through this quadrilateral classification problem step by step.
Let me identify each shape:
Shape 1: This is a four-sided figure with opposite sides parallel and equal, but no right angles. This is a
parallelogram.
Shape 2: This is a four-sided figure with all sides equal and all angles are right angles (90°). This is a
square.
Shape 3: This is a four-sided figure with opposite sides equal and parallel, and all angles are right angles (90°), but not all sides are equal. This is a
rectangle.
Shape 4: This is a four-sided figure where none of the sides appear to be parallel or equal. This is an
irregular quadrilateral (also called a scalene quadrilateral).
Shape 5: This is a four-sided figure with opposite sides parallel and equal, but no right angles. This is a
parallelogram.
Shape 6: This is a four-sided figure with only one pair of parallel sides. This is a
trapezoid.
Shape 7: This is a four-sided figure with opposite sides parallel and equal, but no right angles. This is a
parallelogram.
Shape 8: This is a four-sided figure with opposite sides equal and parallel, and all angles are right angles (90°), but not all sides are equal. This is a
rectangle.
Shape 9: This is a four-sided figure with opposite sides parallel and equal, but no right angles. This is a
parallelogram.
Final Answer:
1. parallelogram
2. square
3. rectangle
4. irregular (scalene)
5. parallelogram
6. trapezoid
7. parallelogram
8. rectangle
9. parallelogram
Parent Tip: Review the logic above to help your child master the concept of quadrilateral worksheet.
