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 187
de of thesqiiare is given. (b) If an outer side of the border is 24in., find a side of the square, its area beingtwo thirds that of the border. 30. A border is constructed about agiven regular octagon, such that its area isequal to that of the octagon. (a) If a side of the given octagon is agiven… … AREAS OF POLYGONS. 175
Geometry, Plane
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