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 الكتب الكتب 171 - 178 من 178 فيTherefore all the angles of the figure, together with four right angles, are equal.... Therefore all the angles of the figure, together with four right angles, are equal to twice as many right angles as the figure has sides. A Popular Course of Pure and Mixed Mathematics ...: With Tables of ... - الصفحة 181
بواسطة Peter Nicholson - 1825 - عدد الصفحات: 372
عرض كامل - حول هذا الكتاب A School Geometry, الأجزاء 1-4

Henry Sinclair Hall - 1908 - عدد الصفحات: 138
...parallel to the base. -ve* f1 — 44 GEOMETRY. COROLLARY 1. ^M <Ae interior angles of any rectilineal figure, together with four right angles, are equal...twice as many right angles as the figure has sides. Let ABCDE be a rectilineal figure of & sides. It is required to prove that all the interior angles...
عرض كامل - حول هذا الكتاب Books 10-13 and appendix

...course be arranged so as not to assume the proposition that the interior angles of a convex polygon together with four right angles are equal to twice as many right angles as the figure has sides. Let there be any convex polyhedral angle with V as vertex, and let it be cut by any plane meeting its...
عرض كامل - حول هذا الكتاب Introduction and books 1,2

...somewhat simpler than, Simson's. 1. The sum of the interior angles of a convex rectilineal figure is equal to twice as many right angles as the figure has sides, less four. For let one angular point A be joined to all the other angular points with which it is not...
عرض كامل - حول هذا الكتاب Intermediate Geometry: Being Sections V and VI of "geometry, Theoretical and ...

Walter Percy Workman - 1908
...angles ; and in any convex polygon the sum of the interior angles, together with four right angles, is equal to twice as many right angles as the figure has sides (Euc. I. 32, Cor.) 110 Congruence. CI — If two triangles have two sides and the included angle in...
عرض كامل - حول هذا الكتاب College Entrance Examination Papers in Plane Geometry

1911 - عدد الصفحات: 178
...whose altitude is 3 inches. SEPTEMBER, 1909 1. The sum of all the interior angles of any polygon is equal to twice as many right angles as the figure has sides, less four right angles. 2. The angle between two chords which intersect within a circle is measured...
عرض كامل - حول هذا الكتاب Surveying and Building Construction for Agricultural Students, Land Agents ...

Alfred Hubert Haines, A. F. Hood Daniel - 1915 - عدد الصفحات: 339
...fulfilled :— 1. All the interior deduced or observed angles together with four right angles must be equal to twice as many right angles as the figure has sides. 2. The northings must equal the southings. 3. The eastings must equal the westings. In ordinary traverse...
عرض كامل - حول هذا الكتاب The Founder's Manual: A Presentation of Modern Foundry Operations, for the ...

David Wells Payne - 1917 - عدد الصفحات: 676
...to corresponding angles are proportional. (6) In any polygon, the sum of all the interior angles is equal to twice as many right angles as the figure has sides, less four right angles. (7) In any polygon the sum of all the exterior angles is equal to four right...
عرض كامل - حول هذا الكتاب On Intelligence

Hippolyte Taine - 1998 - عدد الصفحات: 588
...together equal to four right angles ; hence it follows that the polygon contains a number of angles which, together with four right angles, are equal to twice as many right angles as there are sides. — Here the explanatory intermediate is a character comprised in all the elements...
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