Geometry and Algebra Equations |

Object | (Surface) Area | Volume | Circumference |
---|---|---|---|

Triangle |
^{1}/_{2} bh =^{1}/_{2} ab sin |
- - - | - - - |

Trapezoid |
^{(a + b)}/_{2} h |
- - - | - - - |

Parallelogram |
bh |
- - - | - - - |

Circle |
r^{2} |
- - - | 2r |

Sector of Circle |
^{1}/_{2} r^{2} |
- - - | Arc length s = r |

Sphere |
4r^{2} |
^{4}/_{3} r^{3} |
- - - |

Cone, Right Circular |
r^{2} + rs =r^{2} + r (r^{2} + h^{2}) |
^{1}/_{3} r^{2}h |
- - - |

Cylinder, Right Circular |
2r^{2} + 2rh |
r^{2}h |
- - - |

Object | (Surface) Area | Volume | Circumference |

Slope | |||||||

m = |
rise | = | y - _{2}y _{1} |
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run | x - _{2}x _{1} |
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Slope-Intercept Form | |||||||

y = mx + b, |
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where m is the slope of the line andb is the y-axis intercept. |
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General Linear Equation | |||||||

Ax + By + C = 0,when A and B are not both 0 |

ax^{2} + bx + c = 0 x = |
-b ± (b^{2} - 4ac) |

2a |

**This page is for INFORMATIONAL PURPOSES ONLY.**

Last modified: 03/28/1999