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# Unit 7 Math Vocab

### Math vocab

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

angle | has two sides that share a common endpoint and is measured in degrees |

degrees | when a circle is divided into 360 equal-sized parts, each part has an angle measure of 1 degree |

vertex | the common endpoint of two or more line segments that form an angle |

acute angle | an angle with less than 90 degrees |

right angle | an angle with 90 degrees |

obtuse angle | an angle with more that 90 degrees but less than 180 degrees |

straight angle | an angle with 180 degrees |

complementary angles | two angles whose sum equals 90 degrees |

supplementary angles | two angles whose sum equals 180 degrees |

polygon | a closed figure with three or more sides |

triangle | a three sided polygon whose interior angles equals 180 degrees |

scalene triangle | a triangle with NO equal sides and NO equal angles |

isosceles triangle | a triangle with TWO equal sides and TWO equal angles |

equilateral triangle | a triangle with THREE equal sides and THREE equal angles |

acute triangle | a triangle with three acute angles |

right triangle | a triangle with one right angle |

obtuse triangle | a triangle with one obutse angle |

quadrilateral | a closed figure with four sides and four angles |

parallelograms | quadrilaterals whose opposite sides are parallel and congruent |

rectangle | a rectangle is a parralelogram that has 4 right angles |

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

rhombus | parallelogram with 4 equal sides and its opposite angles are congruent |

trapeziod | a quadrilateral with one pair of parallel des |

perimeter | the distance around a geometric figure |

area | the number of square units needed to cover the surface enclosed by a geometric figure |

composite figure | a polygon made up of two or more geometric shapes |

Created by:
AHoldeman