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# 7th Math FINAL

### 7th Grade MATH Final Review 2013-2014

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

Line Plot | Type of graph that shows how often something occurs using x's. |

Acute Angle | An angle that measures less than 90 degrees. |

Obtuse Angle | An angle that measures more than 90 degrees but less than 180 degrees. |

Right Angle | An angle that measures exactly 90 degrees. |

Complementary Angles | Two angles that add together to equal 90 degrees. |

Supplementary Angles | Two angles that add together to equal 180 degrees. |

Polygon | A closed, sided figure. |

Pentagon | A 5 sided polygon. |

Heptagon | A 7 sided polygon. |

Regular Polygon | A polygon with all equal sides and angles. |

Equilateral Acute Triangle | A triangle with all equal sides and all acute angles. |

Scalene Right Triangle | A triangle with no equal sides and one right angle. |

Isosceles Right Triangle | A triangle with two equal sides and one right angle. |

Scalene Obtuse Triangle | A triangle with no equal sides and one obtuse angle. |

Isosceles Acute Triangle | A triangle with two equal sides and all acute angles. |

Parallelogram; Rhombus | A quadrilateral with two sets of parallel sides that are all equivalent. |

Parallelogram; Rectangle | A quadrilateral with two sets of parallel sides and four right angles. |

Trapezoid | A quadrilateral with one set of parallel sides. |

Parallelogram | A quadrilateral with two sets of parallel sides. |

180 Degrees | The sum of the three angles in any triangle. |

360 Degrees | The sum of the four angles in any quadrilateral. |

Perimeter | The distance around an object; add all sides. |

C = 2πr | The formula for circumference of a circle; use when given the radius. |

C = πd | The formula for circumference of a circle; use when given the diameter. |

Radius | The distance from the center of a circle to the outside edge. |

Diameter | The distance across a circle going through the center. |

A = bh | The formula for area of a rectangle. |

A = 1/2bh | The formula for area of a triangle. |

A = 1/2(b1 + b2)h | The formula for area of a trapezoid. |

Probability | Written as a fraction of favorable outcomes to total outcomes. |

Compound Probability | The probability of more than one event happening together. (multiple events: multiply) |

Square Root | Finding what number times itself gives the number under the radical. |

Triangular Prism | A 3D figure that has two congruent triangular bases and 3 rectangular faces. |

Pentagonal Prism | A 3D figure that has two congruent pentagonal bases and 5 rectangular faces. |

Translation | A slide on the coordinate plane. |

Reflection | A flip on the coordinate plane. |

Square Pyramid | A 3D figure that has one square base and 4 triangular faces. |

B | Area of the base |

Venn Diagrams | A type of statistical representation used when showing overlap of data. |

Range | The difference between the highest and lowest values in a set of data. |

Mean | The average of a set of data. |

Median | The middle number in a set of data when ordered numerically (least to greatest). |

Mode | The number that shows most frequently in a set of data. |

Line Graph | A type of statistical representation used when showing changes over time. |

Created by:
hmyers