Practical carpentry, joinery, and cabinet-making : being a new and complete system of lines for the use of workmen, founded on accurate geometrical and mechanical principles ... / by Peter Nicholson ; revised by Thomas Tredgold (1853)
Nicholson, Peter, 1765-1844, Tredgold, Thomas, 1788-1829 · London : Thomas Kelly · leaf 23
the sum of the twostraight lines AG, BC ; but AG is equal to AB, therefore GC isless than BC; but GC = EF, therefore EF is less than BC. Case ?..—If the point G fall on BC, it is evident that GC, orits equal EF, is less than BC. Case 3.—Lastly, if the point G fall within the triangle ABC, by… … THEOREM 10. 5S. One triangle is equal to another, when the three sides of the first are respectively equalto the three sides of the second. Let the side AB be equal to DE, AC equal to DF, and BCequal to EF; then shall the angle A be equal to the angle D,the angle B-equal to the angle E, and the…
Carpentry · Joinery · Cabinetwork
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