Modern Methods in Elementary GeometryMacmillan, 1868 - 112 σελίδες |
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Αποτελέσματα 1 - 5 από τα 10.
Σελίδα 20
... polygon are together equal to four right angles , and the interior angles to twice as many right angles as the figure has sides , diminished by four right angles . D ' B ' E C E Let ABCDE be any convex polygon . B Through any point O ...
... polygon are together equal to four right angles , and the interior angles to twice as many right angles as the figure has sides , diminished by four right angles . D ' B ' E C E Let ABCDE be any convex polygon . B Through any point O ...
Σελίδα 21
... polygon . and Then the angle C'OB ' = the exterior angle at B , D'OC ' the exterior angle at C. Similarly the other angles at 0 = the other exterior angles at D , E , and A. Therefore all the exterior angles all the angles at O = = = 4R ...
... polygon . and Then the angle C'OB ' = the exterior angle at B , D'OC ' the exterior angle at C. Similarly the other angles at 0 = the other exterior angles at D , E , and A. Therefore all the exterior angles all the angles at O = = = 4R ...
Σελίδα 54
... polygon ; i . e . any polygon having equal sides and angles . 25. Can a circle be described about any quadrilateral figure 54 ELEMENTARY GEOMETRY .
... polygon ; i . e . any polygon having equal sides and angles . 25. Can a circle be described about any quadrilateral figure 54 ELEMENTARY GEOMETRY .
Σελίδα 66
... par- allelogram . Therefore the measure of the trapezium 1 = { } ( AB + CD ) × BP . This proposition may be applied to obtain the area of a convex polygon . The figure shews the necessary construc- tion 66 ELEMENTARY GEOMETRY .
... par- allelogram . Therefore the measure of the trapezium 1 = { } ( AB + CD ) × BP . This proposition may be applied to obtain the area of a convex polygon . The figure shews the necessary construc- tion 66 ELEMENTARY GEOMETRY .
Σελίδα 67
E. M. Reynolds. convex polygon . The figure shews the necessary construc- tion , by which the polygon is divided into triangles and rect- angular trapeziums . THEOREM IX . The square on the sum AC of two straight lines AB , BC is equal ...
E. M. Reynolds. convex polygon . The figure shews the necessary construc- tion , by which the polygon is divided into triangles and rect- angular trapeziums . THEOREM IX . The square on the sum AC of two straight lines AB , BC is equal ...
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A'BC Algebra alternate angle altitude angle equal arc CD ARITHMETIC BC² bisect BROOKE FOSS WESTCOTT CA² Cambridge centre chord circle touching circumference cloth coincide congruent CONIC SECTIONS contain convex angle convex polygon Crown 8vo diagonals diameter dicular divide Edward Thring ELEMENTARY TREATISE equal angles equally distant equally remote equiangular equiangular and similar equilateral triangle Examples exterior angle Fcap Find the locus GEOMETRY given angle given circle given line given point given straight line greater Hence intersect isosceles John's College late Fellow Let ABCD line drawn MATHEMATICAL measure meet middle point opposite sides parallel to CD parallelogram perpen perpendicular polygon produced quadrilateral figure radius rectangle right angles right-angled triangle Schools Second Edition segments Shew shortest line similar triangles student tangent THEOREM THEOREM VII Third Edition trapezium triangle ABC vertex