The formula for the area of a square is merely the formula just mentioned, modified to suit the fact that b and h are equal and are merely called sides (s). ... student should learn to recognize these units in practice and to estimate areas with reasonable accuracy in terms of the units. ... circle, a figure which may be thought of as a regular polygon with a very great many sides Thus a, the apothem , becomes r, anbsp;...

Title | : | Elementary Arithmetic |

Author | : | Burdette Ross Buckingham |

Publisher | : | - 1953 |

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