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# Howard Geometry 10

### Chapter 10 Geometry Vocabulary

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

Radical | An expression written with a radical symbol |

Radicand | The number or expression inside the radial symbol |

45-45-90 Triangle | A right triangle with side lengths of 1, 1, and √2 |

30-60-90 Triangle | A right triangle with side lengths 1, 2, √3 |

Vertex | The point where two sides meet |

Trigonometric Function | The ratios of the lengths of two sides of a right triangle |

Sine | The opposite leg divided by the hypotenuse |

Cosine | The adjacent leg divided by the hypotenuse. |

Tangent | The opposite leg divided by the adjacent leg |

Pythagorean Theorem | Formula used to find the missing side of a right triangle |

Solve a Triangle | To find all the lengths of the sides and all the measure of the angles. |

Hypotenuse | The longest side of a right triangle across the right angle |

Opposite Leg | The side of a right triangle that makes the right angle and is across from the given angle |

Adjacent Leg | The side of a right triangle that makes the right angle and is next to the given angle |

Inverse | To undo a function; It is written with a -1 as an exponent |

Created by:
Brit Howard