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# Geometry terms (1N1)

### Meaning of geometrical terms.

Term | Description |
---|---|

Square | Has 4 sides and all are of equal length. It also has 4 right angles. |

Rectangle | Has 4 sides and has 4 right angles. Opposite sides are equal and are parallel to each other. |

Parallelogram | Has 4 sides and opposite sides are equal and parallel. Opposite angles are equal. |

Trapezium | Has 4 sides and opposite sides are parallel. |

Triangle | A shape with 3 sides and 3 angles. |

Circle | Has a round shape. |

Diagonal | A line joining 2 corners which are NOT next to each other. |

Equal | 2 things with the same value. |

Pi | It has an approximate value of 3.142 and is represented by the symbol, π |

Diameter | A line passing through the centre of a circle. Its two ends are on the circumference of the circle. |

Radius | A line drawn from the centre of a circle to its circumference. |

Height | A line drawn from the top to the base of a figure. It makes 90° with the base. |

Base | Can be one side of a plane figure or the bottom of a solid. |

Perimeter | The distance around the edge of a given shape. |

Circumference | The distance around a circle. |

Created by:
edugan_hoh