Davies, Charles, 1798-1876 · New York and Chicago, A. S. Barnes and company · leaf 149
Let their equivalent bases, ABC, abc, be situated in thesame plane, and let AT be their common altitude. If theyare not equivalent, let S—abc be the smaller; and supposeAa to be the altitude of a prism, which, having ABC for itsbase, is equal to their difference. Divide the altitude AT into equal…
Geometry · Plane trigonometry
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