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 199
f ground (boundary is a polygon)such that a path of equal width on it around the border leaves apolygonal plot similar to the first. Prove that a circle may be in-scribed in the polygon which formS the boundary of either plot. 43. In the figure, ABCD is a square and EFGHKLMNis a regularoctagon. (a)… … M H REGULAR POLYGONS AND CIRCLES. 187 44. Find the ratio between the areas of regular octagons inscribedin and circumscribed about the same circle. 45. (a) The apothem of a regular octagon is 10 feet. Find thewidth of a uniform strip laid ofi around it which occupies \ its area. (6) Show how to…
Geometry, Plane
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