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# geo spelling test

### semester II

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

proportion | an equation of the form a/b=c/d that states that two ratios are equivalent |

similar polygons | two polygons are similar if their corresponding angles are congruent and the measures of their corresponding sides are proportional |

hypotenuse | in a right triangle, the side opposite the right angle |

anle of depression | an angle formed when a person must look down from a tower or cliff to see an object below. |

pythagorean theorem | in a right triangle, the sum of the squares of the measures of the legs equals the square of the measure of the hypotenuse |

angle of elevation | the anle that is formed when a person must look up to see an object |

sine | in a right triangle, the ratio of the measure of the leg opposite the acute angle to the measure of the pypotenuse |

cosine | in a right triangle the ratio of the measure of the leg adjacent to the acute angle to the measure of the hypotenuse |

tangent | in a right triangle, the ratio of the measure of the leg opposite the acute angle to the measure of the leg adjacent to the acute angle |

geometric mean | for a ny positive numbers a and b, x= square route of ab |

trigonometric ratio | a ratio of the measures of two sides of a right triangle |

arc of a chord | a minor arc that has the same endpoints as a chord |

concentric circles | circles that lie in the same plane and have the same center |

minor arc | an arc of a circle that is between 0 and 180 degrees |

central angle | an angle whose vertex is the center of a circle |

diameter | a chord that contains the center of a circle |

point of tangency | the point of the intersection of a circle and a tangent to the circle |

chord | a segment whose endpoints are on the circel |

Created by:
jamesjett