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# chapter 10 math

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

having the same size and shape | congruent |

a two-dimensional pattern that can be folded into a three-dimensional polyhedron | nets |

a triangle that has three angles less than 90 degrees | acute triangle |

the line segment where two faces of a solid figure meet | edge |

a polygon that is a flat surface of a solid figure | face |

a solid figure with faces that are solid figures | polyhedron |

a tool used for measuring or drawing angles | protractor |

a polygon in which all sides are congruent and all angles are congruent | regular polygon |

the point where two or more rays meet; the point of intersection of two sides of a polygo; the point of intersection of three or more edges of a solid figure; the top point of a cone | vertex |

a polygon with 10 sides and 10 angles | decagon |

a parallelogram with four right angles | rectangle |

a triangle with 3 equal, or congruent sides | equilateral triangle |

a quadrilateral with exactly one pair of parallel sides | trapezoid |

a triangle that has a 90 degree angle | right trangle |

a polygon with 8 sides and 8 angles | octagon |

a parallelogram with 4 equal, or congruent sides | rhombus |

a triangle with no congruent sides | obtuse triangle |

a closed plane figure formed by 3 or more line segments | polygon |

a triangle that has one angle greater than 90 degrees | obtuse triangle |

a polygon with 4 sides and 4 angles | quadrilateral |

a triangle with exactly two congruent sides | isosceles triangle |

a polygon with 6 sides and 6 angles | hexagon |

a quadrilateral whose opposite sides are parallel and have the same length, or are congruent | parallelogram |

Created by:
godfreyd