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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... ABC is a right angle , D B C an acute angle , and E BC an obtuse angle . 12. ( Euc . i . def . 35. ) If there be two straight lines in the same plane , which , being produced ever so far both ways , do not meet , these straight lines ...
... ABC is a right angle , D B C an acute angle , and E BC an obtuse angle . 12. ( Euc . i . def . 35. ) If there be two straight lines in the same plane , which , being produced ever so far both ways , do not meet , these straight lines ...
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... ABC D. 24. A circle is a plane 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 ...
... ABC D. 24. A circle is a plane 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 ...
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... A B C , DEF be each of them a right angle ; the angle ABC shall be equal to the angle D E F. Ꮐ I A B Produce C B to any point G , and FE to any point H. Then , because ABC is a right angle , it is equal to the adjacent angle A B G ...
... A B C , DEF be each of them a right angle ; the angle ABC shall be equal to the angle D E F. Ꮐ I A B Produce C B to any point G , and FE to any point H. Then , because ABC is a right angle , it is equal to the adjacent angle A B G ...
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... A B C , ABD , are equal to the same three angles . Therefore , ( ax . 1. ) the angles A B C , ABD , are together equal to the angles E B C , E B D , that is , to two right angles . Next , let the straight line A B make with the two ...
... A B C , ABD , are equal to the same three angles . Therefore , ( ax . 1. ) the angles A B C , ABD , are together equal to the angles E B C , E B D , that is , to two right angles . Next , let the straight line A B make with the two ...
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... ABC , DEF ( see the last figure ) be two triangles which have the two angles ABC , A C B of the one , equal to the two angles DEF , DFE of the other , each to each , and likewise the side BC equal to the side EF : their other sides ...
... ABC , DEF ( see the last figure ) be two triangles which have the two angles ABC , A C B of the one , equal to the two angles DEF , DFE of the other , each to each , and likewise the side BC equal to the side EF : their other sides ...
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Library of Useful Knowledge: Geometry plane, solid, and spherical [by Pierce ... Vista completa - 1835 |
Términos y frases comunes
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