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# NR Math 9 Topic 7

### Stack #20773

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

Angle | two rays with the same endpoint |

Geometry | the study of points, lines, angles, surfaces, and solids |

Line segment | part of a line |

Plane | a flat surface that extends forever in all directions |

Ray | a line that has a beginning point but no end |

Vertex | the point where two rays meet |

Parallel Lines | lines that are always the same distance apart |

Intersecting lines | lines that cross in the same plane |

Perpendicular lines | intersecting lines that cross and form four right angles |

Circle | a plane figure whose points are equally distant from the center |

Degree | a measure of angles |

Protractor | a tool used to draw or measure angles |

Polygon | a closed plane figure with three or more sides |

Triangles | polygons with three sides |

Parallelogram | a four sides polygon with two pairs of equal and parallel sides |

Quadrilaterals | polygons with four sides |

Rectangle | a four-sided polygon with four right angles and the opposite sides are equal |

Rhombus | a polygon with four equal sides and opposite sides are equal |

Square | a polygon with four equal sides and four right angles |

Trapezoid | a 4 sided polygon with one pair of parallel sides and one pair of sides that are not parallel |

Prism | a solid figure with two parallel faces that are polygons of the same shap |

Cube | a prism with square sides and faces |

Pyramid | a solid figure with a base that is a polygon and triangular sides |

Created by:
scottp