What is a heptagon ? an octagon ? a regular polygon ? an irregular polygon * What is the perimeter of a figure ? What is a ... How may the diameter be found, when the area is given 1 What is the rule for finding the area of an ellipse? To whatanbsp;...

Title | : | The American common-school arithmetic |

Author | : | Rufus Putnam |

Publisher | : | - 1850 |

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