Rule: From half the sum of the three sides subtract each side separately ; multiply the half sum and the three ... Let A, B, C, represent the three sides of the triangle, and A + B+C , , = half the sura = s 2 then the formula is j S(S-A)[S-B)[S-Q = Area. ... To Find the Area of a Trapezoid a Rule : Multiply half the sum of the two parallel sides by their perpendicular distance. ... Formula, L.B=A. The varieties of parallelograms are the Square^ having 4 sides equal and all angles right angles.

Title | : | The D'Este Engineers', Electricians' and Machinists' Manual |

Author | : | D'Este, Julian, Company |

Publisher | : | - 190? |

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