- Copyright 1991,1996, 1997, 1998 John Richard Coffey.
- If you find any errors, then please let me know.- John.
- Please use the links below to center the problems, find the solution, and to advance to the next problem.
- Printing works best with Netscape.
- These diagrams are best viewed in 640x480 graphics mode.
- If Internet Explorer has trouble displaying these diagrams then use the font-size button to select a smaller font and then also click the refresh button.

3W0161 [solution] |
_____ | 3W0162 [solution] [Next] |

3W0163 [solution] |
_____ | 3W0164 [solution] [Next] |

_____ | ||

_____ | ||

3W0165 [solution] |
_____ | 3W0166 [solution] [Next] |

3W0167 [solution] |
_____ | 3W0168 [solution] [Next] |

_____ | ||

_____ | ||

3W0169 [solution] |
_____ | 3W0170 [solution] [Next] |

3W0171 [solution] |
_____ | 3W0172 [solution] [Next] |

_____ | ||

_____ | ||

3W0173 [solution] |
_____ | 3W0174 [solution] [Next] |

3W0175 [solution] |
_____ | 3W0176 [solution] [Next] |

_____ | ||

_____ | ||

3W0177 [solution] |
_____ | 3W0178 [solution] [Next] |

3W0179 [solution] |
_____ | 3W0180 [solution] [Next] |

_____ | ||

_____ |