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# concepts 13

### concepts 11-12

term | dfine |
---|---|

Area parallelogram | A four-sided plane rectilinear figure with opposite sides parallel |

Area triangle | A plane figure with three straight sides and three angles. |

Area of circle | A round plane figure whose boundary (the circumference) consists of points equidistant from a fixed center. |

Area of complex figures | .Complex figure: a shape made of a combination of two or more basic shapes. The complex figure is also known as complex shape or compound figure. |

Circumference Circle | The circumference is the distance around a closed curve. Circumference is a special per |

3-D Figures | (3-D figure) a set of points in space; and box, cone, cylinder, parallelpiped, prism, pyramid, regular pyramid, right cone, right... |

drawing 3-d figures | (3-D figure) a set of points in space; box, cone, cylinder, parallelpiped, prism, pyramid, regular pyramid, right cone, right... |

Volume of prism | V = lwh or (length x width x height) |

volume f cylinders | A solid geometric figure with straight parallel sides and a circular or oval section. |

surface area of rectangular prism | In geometry, a cuboid is a solid figure bounded by six faces, forming a convex polyhedron |

surface area cylinder | A solid geometric figure with straight parallel sides and a circular or oval section. |

pythgorean theorum | A theorem attributed to Pythagoras that the square of the hypotenuse of a right triangle is equal to the sum of the squares of the other |

Created by:
mikek48