he area* of a parallelogram, -whetherit he a square, a rectangle, a rhombus, or arhomboides. 1. Required the area of the square a b c d,whose side is 5 ft. ? D C 5 ft. A 6 ft. B Multiply A B by B c, or 5 by 5, and the pro-duct 25 will be the number of square feet con-tained in the given square.… … Multiply 9 by 4, and the product 36 will bethe number of square feet in the requiredsurface. Example.—Required the area of a rectangle,whose length is 13| chains, and breadth 9^chains. 131
Design · Decoration and ornament · Art
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![An illustration from [Graphophone patents] (1878)](https://img.insideoutlibrary.com/img/200/ia-graphophonepaten10unit-385-260.webp)
