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# Math

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

Polygon | A closed figure made up of line segments |

Vertex | The point where two or more sides meet |

Interior angle | Angle formed on the inside of a polygon by two sides meeting at a vertex |

Exterior angle | Angle formed on the outside of a geometric shape by extending one of the sides past a vertex |

Supplementary angles | Angles that add up to 180 degrees |

Complementary angles | Angles that add up to 90 degrees |

Polygon exterior angle sum theorem | The sum of the exterior angles in a triangle is 180 degrees |

Exterior angle theorem | The exterior angle at each vertex of a triangle is equal to the sum of the interior angles at the other two verticies |

Angle sum triangle theorem | The sum of the interior angles of a triangle are 180 degrees |

Adjacent | Adjoining or next to |

Transversal | A line intersecting two parallel lines |

Obtuse angle | Angle greater than 90 degrees |

Acute angle | Angle less than 90 degrees |

Convex polygon | A polygon where all interior angles are less than 180 degrees |

Concave polygon | A polygon where there is atleast one interior angle greater than 180 degrees |

Regular polygon | A polygon with all equal angles and side lengths |

Number of sides on a triangle | 3 |

Number of sides on a quadrilateral | 4 |

Number of sides on a pentagon | 5 |

Number of sides on a hexagon | 6 |

Number of sides on a heptagon | 7 |

Number of sides on a octagon | 8 |

Created by:
syddj123