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1. | Two angles whose sum adds up to 90 degrees. |

2. | What is the most common unit of measure in angles? |

3. | In what quadrant would this point be in (-2,-1). |

4. | What formula is used to find the distance between two points? |

5. | The ratio of opposite to adjacent. |

6. | Angles that have the same initial side and the same terminal side are called: |

7. | What is the sum of the measure of the angles of any triangle? |

10. | What is the angle of a triangle called when its going down? |

14. | Two angles whose sum adds up to 180 degrees. |

15. | sin/cos= |

16. | An angle that is equal to 90 degrees. |

18. | What are cos and sec & tan and cot? |

19. | What are equations that are true for all values of the variable for which all expressions are defined? |

20. | What instrument is used to measure angles? |

24. | What does this mean ∞ |

25. | The ratio of adjacent to hypotenuse. |