Modern Methods in Elementary GeometryMacmillan, 1868 - 112 páginas |
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Página 12
... CAD . Hence in an isosceles tri angle the perpendicular bisects the base and the angle at the vertex . COR . 2. All the angles of an equilateral triangle are equal . THEOREM XII . If in any triangle ABC the side ELEMENTARY GEOMETRY .
... CAD . Hence in an isosceles tri angle the perpendicular bisects the base and the angle at the vertex . COR . 2. All the angles of an equilateral triangle are equal . THEOREM XII . If in any triangle ABC the side ELEMENTARY GEOMETRY .
Página 22
... such a case CD is called the locus of P. THEOREM XX . Let AB , AC be two straight lines which meet in A , and let AD bisect the angle BAC . Every point in AD shall be equally distant from AB 22 ELEMENTARY GEOMETRY .
... such a case CD is called the locus of P. THEOREM XX . Let AB , AC be two straight lines which meet in A , and let AD bisect the angle BAC . Every point in AD shall be equally distant from AB 22 ELEMENTARY GEOMETRY .
Página 25
... bisect the angles of a triangle ABC , meet in one point . A F E B D C Let AD , BE intersect in O. Then since O is a point on AD , it is equally distant from AC and AB . [ I. 20 . And since O is a point on BE , it is equally distant from ...
... bisect the angles of a triangle ABC , meet in one point . A F E B D C Let AD , BE intersect in O. Then since O is a point on AD , it is equally distant from AC and AB . [ I. 20 . And since O is a point on BE , it is equally distant from ...
Página 26
... bisect two adjacent supple- mentary angles are perpendicular to one another . 2. If two straight lines cut one another , and straight lines be drawn bisecting the four angles which they form , these four lines will together constitute ...
... bisect two adjacent supple- mentary angles are perpendicular to one another . 2. If two straight lines cut one another , and straight lines be drawn bisecting the four angles which they form , these four lines will together constitute ...
Página 27
... bisect one another . 12. The diagonals of a rhombus bisect one another at right angles . 13. The converse of the last two propositions . 14. If the diagonals of a parallelogram are equal , it is a rectangle . 15. If the diagonals of a ...
... bisect one another . 12. The diagonals of a rhombus bisect one another at right angles . 13. The converse of the last two propositions . 14. If the diagonals of a parallelogram are equal , it is a rectangle . 15. If the diagonals of a ...
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Términos y frases comunes
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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