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# geometry

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

acute triangle | A triangle in which all three angles are acuteExamples: |

Angle | A figure formed by two rays that have a common endpoint Example: |

Chord | A line segment with its endpoints on a circle Example: |

circle | A closed plane figure with all points on the figure the same distance from the center Example: |

circumference | The distance around a circle Example: |

closed figure | A figure that begins and ends at the same point Examples: |

cone | A solid figure that has a circular base and one vertex Examples: |

congruent | Having the same size and shape Example: The triangles are congruent |

congruent figures | Figures that have the same size and shape Example: The triangles are congruent. |

coordinate plane | A plane formed by two intersecting and perpendicular number lines called axes Example: |

coordinates | The numbers in an ordered pairExample: |

cube | A solid figure with six congruent square faces Examples: |

cylinder | A solid figure that has two parallel bases that are congruent circles Examples: |

degree (°) | A unit for measuring angles and temperature Examples: |

diameter | A line segment that passes through the center of a circle and has its endpoints on the circle Example: diameterA line segment that passes through the center of a circle and has its endpoints on the circle Example: |

dimension | A measure in one direction; the length, width, or height of a figure |

edge | The line segment where two faces of a solid figure meet Example: edge |

equilateral triangle | A triangle with three congruent sides Example: |

face | A polygon that is a flat surface of a solid figure Example: face |

figurate numbers | Numbers that can be represented by geometric figures Examples: |

hexagon | A polygon with six sides and six angles |

Created by:
houstonmorris