Library of Useful Knowledge: Geometry plane, solid, and spherical [by Pierce Morton] 1830. Elements of trigonometry, by W. Hopkins. 1833. Elements of spherical trigonometry, by A. De Morgan. A treatise on algebraical geometry, by S.W. Waud. 1835Baldwin & Craddock, 1835 |
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Resultat 1-5 av 100
Side 2
... figure is any portion of a plane surface which is included by a line or lines . The whole circuit of any figure , that is , the extent of the line or lines by which it is included , is called its perimeter . 14. A plane rectilineal figure ...
... figure is any portion of a plane surface which is included by a line or lines . The whole circuit of any figure , that is , the extent of the line or lines by which it is included , is called its perimeter . 14. A plane rectilineal figure ...
Side 3
... figure contained by one line , which is called the circumference , and such that all straight lines drawn from a cer- tain point within the figure to the cir- cumference are equal to one another . This point is called the centre of the ...
... figure contained by one line , which is called the circumference , and such that all straight lines drawn from a cer- tain point within the figure to the cir- cumference are equal to one another . This point is called the centre of the ...
Side 8
... figure Cor . 3. And , hence , it may easily be demonstrated , that if there be two rectili- neal figures A DC , D B C upon the same base BC , one of which other , the perimeter of wholly envelopes the the enveloping figure must be ...
... figure Cor . 3. And , hence , it may easily be demonstrated , that if there be two rectili- neal figures A DC , D B C upon the same base BC , one of which other , the perimeter of wholly envelopes the the enveloping figure must be ...
Side 15
... figure are together equal to four right angles : and all the interior angles , together with four right angles , are equal to twice as many right angles as the figure has sides . For , if from any point in the same plane , straight ...
... figure are together equal to four right angles : and all the interior angles , together with four right angles , are equal to twice as many right angles as the figure has sides . For , if from any point in the same plane , straight ...
Side 16
... figure is a parallelogram . Therefore , & c . Cor . 1. ( Euc . i . 34. second part of . ) A parallelogram is bisected by each of its diagonals ; for the triangles into which it is divided are equal to one another . Cor . 2. The ...
... figure is a parallelogram . Therefore , & c . Cor . 1. ( Euc . i . 34. second part of . ) A parallelogram is bisected by each of its diagonals ; for the triangles into which it is divided are equal to one another . Cor . 2. The ...
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Library of Useful Knowledge: Geometry plane, solid, and spherical [by Pierce ... Uten tilgangsbegrensning - 1835 |
Vanlige uttrykk og setninger
A B C ABCD adjacent angles altitude apothem base BC bisect centre chord circum circumference circumscribed coincide common measure common section compounded cone conic section contained convex surface cylinder describe a circle diameter dihedral angle divided draw drawn edges equal angles equimultiples ference fore four magnitudes frustum given point given straight line gles harmonical harmonical mean Hence hyperbola hypotenuse inscribed join likewise locus meet parallel parallelogram parallelopiped pass pendicular pentagon perimeter perpendicular plane prism Prob produced PROP proposition pyramid quadrilateral radii radius rallel rectangle rectilineal figure regular polygon respectively right angles Scholium scribed segment sides A B similar solid angles sphere spherical angle square of A B straight lines A B tangent third three sides touch triangle ABC vertex vertical