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# Quadrilaterals & Tri

### Quadrilaterals & Triangles

Shape | Description |
---|---|

polygon | a closed plane figure with straight sides |

quadrilateral | a polygon with 4 sides |

pentagon | a polygon with 5 sides |

hexagon | a polygon with 6 sides |

octagon | a polygon with 8 sides |

equilateral triangle | a triangle with 3 equal sides |

isosceles triangle | a triangle with 2 equal sides |

scalene triangle | a triangle with 0 equal sides |

right triangle | a triangle with one right angle |

obtuse triangle | a triangle with 1 obtuse angle |

acute triangle | a triangle with 3 acute angles |

trapezpoid | a quadrilateral with 1 pair of parallel sides |

parallelogram | a quadrilateral with 2 pairs of parallel sides |

rhombus | a quadrilateral with 2 pairs of parallel sides and 4 equal sides |

Created by:
Phyl