Modern Methods in Elementary GeometryMacmillan, 1868 - 112 σελίδες |
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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 ' ** Let ABCDE be any convex polygon . B Through any point O draw ...
... 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 ' ** Let ABCDE be any convex polygon . B Through any point O draw ...
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 ...
... 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 ...
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 = 33 · ¦ ( 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 = 33 · ¦ ( 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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Algebra alternate angle altitude ARITHMETIC base BC² BEGINNERS bisect BROOKE FOSS WESTCOTT Cambridge centre chord Christ's College circle touching circumference Clifton College cloth coincide congruent CONIC SECTIONS construct contains convex angle Crown 8vo describe a circle diagonals diameter dicular distance divide Edward Thring ELEMENTARY TREATISE equal angles equally distant equiangular equilateral triangle Examination Papers Exercises exterior angle Fcap Fellow of St GEOMETRY given circle given line given point given square given straight line greater Greek Text Head Master Hence inscribe intersect John's College Join JOSEPH WOLSTENHOLME Jugurtha late Fellow Latin Let ABCD line drawn locus Mathematical Lecturer measure meet middle point MIXED MATHEMATICS numerous parallel to BC parallelogram perpen perpendicular polygon problems quadrilateral figure radius rectangle right angles Second Edition Shew similar triangles student tangent THEOREM VII Third Edition trapezium triangle ABC vertex
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