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# math voc. pt.2

Question | Answer |
---|---|

area | multiply length times width or count the number of squares in an area |

perimeter | the distance around a shape. Add up all the sides |

parallel lines | lines that never cross |

perpendicular lines | lines that cross in right angles |

acute angle | angle that is smaller than 90 degrees |

obtuse angle | angle that is larger than 90 degrees but less than 180 degrees |

right angle | angle that is 90 degrees |

angle that is 90 degrees | 180 degrees or a line |

line | a line that goes in both directions with no endpoint. |

ray | a line that goes in both directions with no endpoint. |

line segment | part of line that has two endpoints |

exponents | 2x2x2x2x2x2 |

equilateral triangle | all 3 sides are equal |

isosceles triangle | two sides are equal |

scalene triangle | none of the sides are equal |

acute triangle | all 3 angles are acute |

obtuse triangle | only one angle is obtuse |

right triangle | one angle is right |

quadrilateral | |

trapezoid | quadrilateral that has exactly one pair of parallel sides |

parallelogram | a quadrilateral whose opposite sides are parallel and are the same length |

rhombus | opposite sides are parallel and all sides are the same length |

pentagon | five sides polygon |

hexagon | six sided polygon |

octagon | eight sided polygon |

Created by:
20090612