Plane GeometryAmerican Book Company, 1899 - 242 σελίδες |
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Σελίδα 7
... Measurement of Angles . • • Equality of Geometrical Magnitudes Demonstration or Proof . Axioms Postulates Symbols . Abbreviations PLANE GEOMETRY BOOK I Lines and Rectilinear Figures Parallel Lines . Triangles Quadrilaterals . Polygons ...
... Measurement of Angles . • • Equality of Geometrical Magnitudes Demonstration or Proof . Axioms Postulates Symbols . Abbreviations PLANE GEOMETRY BOOK I Lines and Rectilinear Figures Parallel Lines . Triangles Quadrilaterals . Polygons ...
Σελίδα 8
... BOOK VI Regular Polygons and Measurement of the Circle . 213 · Maxima and Minima 230 Symmetry 234 Summary 237 Supplementary Exercises 238 GEOMETRY PRELIMINARY DEFINITIONS 1. Every material object occupies a limited 8 00 CONTENTS .
... BOOK VI Regular Polygons and Measurement of the Circle . 213 · Maxima and Minima 230 Symmetry 234 Summary 237 Supplementary Exercises 238 GEOMETRY PRELIMINARY DEFINITIONS 1. Every material object occupies a limited 8 00 CONTENTS .
Σελίδα 11
... measurement of geometrical figures , is called Geometry . 20. That portion of geometry which treats of plane figures is called Plane Geometry . 21. That portion of geometry which treats of figures whose GEOMETRY . 11.
... measurement of geometrical figures , is called Geometry . 20. That portion of geometry which treats of plane figures is called Plane Geometry . 21. That portion of geometry which treats of figures whose GEOMETRY . 11.
Σελίδα 14
... COB are vertical angles . 34. A line or a plane which divides B FIG . 15 . any geometrical magnitude into two equal parts is called the Bisector of that magnitude . MEASUREMENT OF ANGLES 35. To measure a magnitude is to 14 GEOMETRY .
... COB are vertical angles . 34. A line or a plane which divides B FIG . 15 . any geometrical magnitude into two equal parts is called the Bisector of that magnitude . MEASUREMENT OF ANGLES 35. To measure a magnitude is to 14 GEOMETRY .
Σελίδα 15
William James Milne. MEASUREMENT OF ANGLES 35. To measure a magnitude is to find how many times it con- tains á certain other magnitude assumed as a unit of measure . The unit of ... Measurement of Angles Equality of Geometrical Magnitudes.
William James Milne. MEASUREMENT OF ANGLES 35. To measure a magnitude is to find how many times it con- tains á certain other magnitude assumed as a unit of measure . The unit of ... Measurement of Angles Equality of Geometrical Magnitudes.
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Συχνά εμφανιζόμενοι όροι και φράσεις
AABC AB² ABCD AC² adjacent angles angle formed angles are equal apothem arc intercepted base and altitude BC² bisector bisects CD² central angle chord circle whose center circumference circumscribing circle compare in length Construct a square Construct a triangle Data diagonals diameter divided equal circles equidistant equilateral triangle exterior extremities FGHJK given line given parallelogram given point given triangle Hence homologous sides hypotenuse inscribed angle interior angles intersecting isosceles trapezoid isosceles triangle line drawn measured by arc meet middle point MILNE'S number of sides opposite sides parallel lines perimeter perpendicular produced proportion prove Q.E.D. Proposition quadrilateral radii radius ratio rect rectangle formed regular inscribed regular polygon rhombus right angle right triangle secant similar polygons similar triangles square equivalent subtended tangent Theorem third side transversal trapezoid triangle ABC triangle equivalent triangle is equal vertex vertical angle
Δημοφιλή αποσπάσματα
Σελίδα 67 - The line joining the middle points of two sides of a triangle is parallel to the third side and equal to half of the third side.
Σελίδα 105 - The angle in a semicircle is a right angle ; the angle in a segment greater than a semicircle is less than a right angle ; and the angle in a segment less than a semicircle is greater than a right angle.
Σελίδα 46 - Any exterior angle of a triangle is equal to the sum of the two opposite interior angles.
Σελίδα 74 - If two parallel lines are cut by a third straight line, the sum of the two interior angles on the same side of the transversal is equal to two right angles, (p.
Σελίδα 64 - From 56 and 57 the pupils should learn that two triangles are equal in every respect (a) when two sides and the included angle of one are equal to two sides and the included angle of the other...
Σελίδα 53 - If two angles of a triangle are unequal, the sides opposite are unequal, and the greater side is opposite the greater angle.
Σελίδα 61 - If the opposite sides of a quadrilateral are equal, the figure is a parallelogram.
Σελίδα 126 - DE and on the same side of it ; but equal triangles on the same base, and on the same side of it, are between the same parallels ; [I.
Σελίδα 90 - Theorem. In the same circle, or in equal circles, equal chords are equally distant from the center; conversely, chords equally distant from the center are equal.
Σελίδα 149 - Sines that the bisector of an angle of a triangle divides the opposite side into parts proportional to the adjacent sides.