Plane and Solid GeometryAmerican Book Company, 1899 - 384 σελίδες |
Αναζήτηση στο βιβλίο
Αποτελέσματα 1 - 5 από τα 94.
Σελίδα 7
... Lines and Rectilinear Figures Parallel Lines . Triangles Quadrilaterals . Polygons . Summary 21 27 38 60 68 74 Supplementary Exercises 78 BOOK II Circles • 83 Measurement 98 Theory of Limits 100 Summary 122 Supplementary Exercises 124 ...
... Lines and Rectilinear Figures Parallel Lines . Triangles Quadrilaterals . Polygons . Summary 21 27 38 60 68 74 Supplementary Exercises 78 BOOK II Circles • 83 Measurement 98 Theory of Limits 100 Summary 122 Supplementary Exercises 124 ...
Σελίδα 20
... parallel , or is ( or are ) parallel to . Ils parallels . 1 { perpendicular , or is ( or are ) perpendicular to . Is ... LINES AND RECTILINEAR FIGURES Proposition I 20 GEOMETRY . Symbols Abbreviations.
... parallel , or is ( or are ) parallel to . Ils parallels . 1 { perpendicular , or is ( or are ) perpendicular to . Is ... LINES AND RECTILINEAR FIGURES Proposition I 20 GEOMETRY . Symbols Abbreviations.
Σελίδα 27
... line is always understood to be the perpendicular or shortest distance . PARALLEL LINES 63. Lines which lie in the same plane , and which cannot meet however far they may be extended , are called Parallel Lines . 64. A straight line ...
... line is always understood to be the perpendicular or shortest distance . PARALLEL LINES 63. Lines which lie in the same plane , and which cannot meet however far they may be extended , are called Parallel Lines . 64. A straight line ...
Σελίδα 28
... lines , and on opposite sides of the transversal , are called Alternate Exterior Angles . Angles r and z , or s and y , are alternate exterior angles . 68. Non - adjacent angles ... parallel lines ; also a 28 PLANE GEOMETRY . — BOOK I.
... lines , and on opposite sides of the transversal , are called Alternate Exterior Angles . Angles r and z , or s and y , are alternate exterior angles . 68. Non - adjacent angles ... parallel lines ; also a 28 PLANE GEOMETRY . — BOOK I.
Σελίδα 29
... line , and a vertical line . Ex . 20. Two parallel lines are cut by a third line making one interior angle 35o . What is the value of the adjacent interior angle ? Proposition IX 73. 1. Draw two parallel lines ; also PLANE GEOMETRY.— BOOK I ...
... line , and a vertical line . Ex . 20. Two parallel lines are cut by a third line making one interior angle 35o . What is the value of the adjacent interior angle ? Proposition IX 73. 1. Draw two parallel lines ; also PLANE GEOMETRY.— BOOK I ...
Άλλες εκδόσεις - Προβολή όλων
Συχνά εμφανιζόμενοι όροι και φράσεις
ABCD adjacent angles altitude angle formed angles are equal angles compare apothem arc intercepted base bisector bisects called central angle chord circle whose center circumference circumscribed compare in length Construct a triangle cylinder Data diagonals diameter dihedral angles distance divided equal circles equidistant equilateral triangle equivalent exterior angle extremities FGHJK Find the locus frustum given line given point given straight line Hence homologous sides hypotenuse inscribed angle intersecting isosceles trapezoid isosceles triangle measured by arc middle point number of sides opposite sides parallel lines parallelogram parallelopiped pass perimeter perpendicular plane polyhedron prism produced Proof prove pyramid Q.E.D. Proposition quadrilateral radii radius ratio rect rectangle formed regular polygon respectively rhombus right angle right triangle secant segments sphere spherical triangle subtended surface tangent Theorem transversal trapezoid triangle ABC triangles are equal trihedral vertex vertical angle volume
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 47 - After remarking that the mathematician positively knows that the sum of the three angles of a triangle is equal to two right angles...
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 33 - If two parallel lines are cut by a third straight line, the sum of the two interior angles on the same side of the secant line is equal to two right angles.
Σελίδα 219 - The perimeters of two regular polygons of the same number of sides, are to each other as their homologous sides, and their areas are to each other as the squares of those sides (Prop.
Σελίδα 217 - The. sum of the angles of any polygon is equal to twice as many right angles as the polygon has sides, less four right angles.
Σελίδα 136 - The first and fourth terms of a proportion are called the extremes, and the second and third terms, the means. Thus, in the foregoing proportion, 8 and 3 are the extremes and 4 and 6 are the means.
Σελίδα 90 - In the same circle, or in equal circles, equal chords are equally distant from the center; and, conversely, chords equally distant from the center are equal.
Σελίδα 374 - If in a right triangle a perpendicular is drawn from the vertex of the right angle to the hypotenuse : I.
Σελίδα 176 - The area of a rectangle is equal to the product of its base and altitude. Given R a rectangle with base b and altitude a. To prove R = a X b. Proof. Let U be the unit of surface. .R axb U' Then 1x1 But - is the area of R.