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Complete the sentences below. If you need help, review these examples of what quadrilaterals are. |

1. A quadrilateral is a polygon with 4 sides. |

2. Perpendicular means at right angles or at 90 degrees. |

3. Two types of quadrilaterals with right-angled vertices are rectangles and squares . |

4. A parallelogram has two pairs of sides that are parallel , and opposite angles that are equal. |

6. A rhombus is a special type of parallelogram because it has two pairs of parallel sides. |

9. The only quadrilateral that has diagonals bisecting each other perpendicularly is called a square . |

10. A square is always a rectangle, because a square is a special type of rectangle that has four equal sides. |

11. A rectangle is not always a square, because a rectangle does not necessarily have sides that are all equal in length . |

14. A kite is a quadrilateral that has two pairs of equal length sides and one pair of opposite equal angles. |

15. A trapezoid is a quadrilateral having one pair of parallel sides. |

You will find another worksheet on quadrilaterals here where shapes must be matched with the type of quadrilateral.

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The various resources listed below are aligned to the same standard, (5G03) taken from the CCSM (Common Core Standards For Mathematics) as the Geometry Worksheet shown above.

*Understand that attributes belonging to a category of two-dimensional figures also belong to all subcategories of that category. For example, all rectangles have four right angles and squares are rectangles, so all squares have four right angles. *

- Quadrilaterals (2 of 2)