 | Great Britain. Committee on Education - 1851 - 1054 σελίδες
...THOSE ON PHYSICAL SCIENCE AND MECHANICS.) Section 1. 1. All the interior angles of any rectilineal figure, together with four right angles, are equal to twice as many right angles as the figure has sides. 2. Equal triangles upon equal bases, in the same straight line, and towards the same parts,... | |
 | 1891 - 628 σελίδες
...an application of Euclid I. 82, Cor. 1, which proves that all the interior angles of any rectilineal figure, together with four right angles, are equal to twice as many right angles as the figure has sides. To be able to apply this test, one must first find out the interior angles from the bearings.... | |
 | 562 σελίδες
...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... | |
 | Sir Norman Lockyer - 1880 - 660 σελίδες
...the flat angle we may take Theorem XXVI. of the syllabus, that the interior angles of any polygon, together with four right angles, are equal to twice as many right angles as the figure has sides. In the new notation we would say that the sum of the interior angles of the polygon is equal... | |
 | Great Britain. Parliament. House of Commons - 1864 - 700 σελίδες
...sides of a polygon meet when produced outwards, the angles formed by these lines, together with eight right angles, are equal to twice as many right angles as the figure has sides. 7. If a straight line be divided into any two parts, the squares of the whole line, and of one... | |
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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. 
