Wentworth, G. A. (George Albert), 1835-1906 · Boston, Ginn & company · leaf 78
height ofthe monument. 4. If the suns altitude is 60°, what angle must a stick makewith the horizon in order that its shadow in a horizontal planemay be the longest possible ? 5. If the suns altitude is 30°, find the length of the longestshadow cast on a horizontal plane by a stick 10 feet in… … /. / : i ft --JjJ
Trigonometry · Surveying · Navigation
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
