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# TExES Competency 016

### Geometry and Measurement

Term | Definition |
---|---|

Perimeter of a Square: | P=4s |

Perimeter of a Rectangle: | P=2(l+w) |

Perimeter of a triangle: | P=s1+s2+s3 |

Area of a rectangle: | A=l x w |

Area of a square: | A=s x s |

A____ is a three-dimensional solid figure, it has 6 faces, 12 edges, and 8 vertices. | Cube |

A ___ is the union of two segments or point of intersection of two sides of a polygon. | Vertex |

Each of the plain regions of a geometric body is a : | Face |

An _____ is a line segment where two faces of a three dimensional figure meets. | Edge |

A Right angle is | 90 degrees |

Angles less than 90 degrees are: | acute angles |

Angles greater than 90 degrees but less than 180 degrees are: | Obtuse angles |

Supplementary angles add up to: | 180 degrees |

C= 2 x 3.14 x r C= 3.14 x d | circumference of a cirlce |

The ___ of a circle is a straight line segment that goes from one edge of a circle to the other side, passing through the center. | diameter |

The ____ of a circle is half of its diameter from the center to tan edge. | radius |

An _____ triangle is a polygon with two equal sides and two equal angles. | isosceles |

If the measurement of all sides of the triangle are equal, then the triangle is called an _____ triangle. | equilateral |

A___ triangle is a polygon with three unequal sides. | Scalene |

Area of a triangle: | A=bh/2 |

Area of a circle: | A=3.14 x r x r |

Area of a parallelogram: | A=l x h |

Created by:
jwilliams2626