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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Αποτελέσματα 1 - 5 από τα 37.
Σελίδα 2
... convex externally . 15. A triangle is said to be right- angled , when it has a right angle . Of triangles which are not right - angled , and which are therefore said to be oblique - angled , -an obtuse - angled tri- angle is that which ...
... convex externally . 15. A triangle is said to be right- angled , when it has a right angle . Of triangles which are not right - angled , and which are therefore said to be oblique - angled , -an obtuse - angled tri- angle is that which ...
Σελίδα 126
... convex surface be similar and similarly situated to all the planes but one which contain a solid figure , each to each , and if the dihedral angles which every adjoin- ing two of the first make with one another be equal to the dihedral ...
... convex surface be similar and similarly situated to all the planes but one which contain a solid figure , each to each , and if the dihedral angles which every adjoin- ing two of the first make with one another be equal to the dihedral ...
Σελίδα 127
... convex surface of the pyramid . The altitude of a pyramid is the per- pendicular distance of the vertex from the base or the base produced . 18. A pyramid is said to be triangu- lar , or quadrilateral or pentagonal , & c . according as ...
... convex surface of the pyramid . The altitude of a pyramid is the per- pendicular distance of the vertex from the base or the base produced . 18. A pyramid is said to be triangu- lar , or quadrilateral or pentagonal , & c . according as ...
Σελίδα 145
... convex surface of a prism has this obvious but remarkable property , that planes are similar and equal figures ( 12 . the sections made by any two parallel and 15. Cor . ) : the convex surface , also , similar , but they are not equal ...
... convex surface of a prism has this obvious but remarkable property , that planes are similar and equal figures ( 12 . the sections made by any two parallel and 15. Cor . ) : the convex surface , also , similar , but they are not equal ...
Σελίδα 160
... plane E- ABCD ( 37. ) , and therefore at right an- gles both to AB and AD : take A E equal to AB , and complete A the ... convex surface is exhibited as would present itself to the eye if they were opaque bodies . Cor . 1. Regular solids ...
... plane E- ABCD ( 37. ) , and therefore at right an- gles both to AB and AD : take A E equal to AB , and complete A the ... convex surface is exhibited as would present itself to the eye if they were opaque bodies . Cor . 1. Regular solids ...
Άλλες εκδόσεις - Προβολή όλων
Library of Useful Knowledge: Geometry plane, solid, and spherical [by Pierce ... Πλήρης προβολή - 1835 |
Συχνά εμφανιζόμενοι όροι και φράσεις
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