Plane geometry, with problems and applications (1910)
Slaught, H. E. (Herbert Ellsworth), 1861-1937, Lennes, N. J. (Nels Johann), 1874- joint author · Boston, Allyn and Bacon · leaf 259
iameters of the square ABCD.On the diagonals, points K, U, V, Ware laid ofi so that AK = BU = CV= DW. Also LM = NP = RS = etc.EN and SF are in the same straightline, and so on ^around the figure.Prove that: (a) KUVW is a, square. \b) AKME and ENUB are equaltrapezoids. (c) L, O, T lie in a straight… … (g) li AK = -T—, what is the length of ML if the four heavy figuresoccupy half the square ABCD ? 8. Find a side of a regular octagon of radius r. See Ex. 3, p. 146. 9. Find the area of a regular octagon of radius r. 10. In the figure ABCD-- is a regular C,^ -,g octagon inscribed ina circle of…
Geometry, Plane
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