Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

Normal Size Small Size show me how

Normal Size Small Size show me how

# Geometry Vocab

### Geometric Vocabulary Terms

Definition | Word |
---|---|

a closed, curved shape in which all points on the shape are the same distance from the center | circle |

the distance around a circle; the perimeter of a circle | circumference |

the distance across a circle through its center | diameter |

the distance from the center of a circle to a point on the circle | radius |

a closed shape with straight sides | polygon |

a quadrilateral that has two pairs of parallel sides | parallelogram |

a quadrilateral that has four right angles | rectangle |

a parallelogram with all four sides of equal length | rhombus |

a parallelogram with four equal sides and four equal angles | square |

a quadrilateral with no parallel sides | trapezium |

a quadrilateral with exactly one pair of parallel sides | trapezoid |

the distance around a closed, flat shape | perimeter |

the number of the square units needed to cover a surface | area |

a polygon with all equal sides and all equal angles | regular polygon |

a polygon with four sides | quadrilateral |

a polygon with eight sides | octagon |

a polygon with three sides | triangle |

a triangle with a right angle | right triangle |

a triangle with an obtuse angle | obtuse triangle |

a triangle with all acute angles | acute triangle |

a triangle with sides of three different lengths | scalene triangle |

a triangle with at least two sides the same length | isosceles triangle |

a triangle with all three sides the same length | equilateral triangle |

a polygon with six sides | hexagon |

a polygon with five sides | pentagon |

Created by:
daiseymd