Since ABCD is a quadrilateral, the sum of angles A, B, C, and D is 360Ad. 11. This man is ... Induction is used in geometry to discover the relation of certain parts of a figure to others. ... Copy the table at the top of the next page and complete it.

Title | : | Plane geometry |

Author | : | John F. Schacht, Roderick C. McLennan |

Publisher | : | - 1957 |

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