Elements of geometry and trigonometry. Revised and adapted to the course of mathematical instruction in the United States (1856)
Legendre, A. M. (Adrien Marie), 1752-1833, Davies, Charles, 1798-1876 · New York : A.S. Barnes · leaf 299
Ans. 83.998. 4. AYanting to know tbe hori-zontal distance between two inac-ccvssible objects E and IT, the fol-lowing measurements were made. AB =536 yardsBAW=W^ i6viz.i WAE=br 40ABE r-.42 22^EB\V=-1V 07;required the distance i7 IT. … Ans. 939.527 j^ardfi. PLANE TEIGONOMETKY 295 I*=.=kI, 5. TVanting to know thehorizontal distance betweentwo inacessible objects Aand i>, and not finding anystation from which both ofthem could be seen, twopoints G and Z^, were chosenat a distance from each other, equal to 200 yards; fromthe…
Geometry · Trigonometry
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