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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Σελίδα 2
... called a right angle , and the straight line which stands upon the other is called a perpendicular to it . 11. If an angle be not right , it is called oblique . An oblique angle is said to be acute or obtuse , ac- cording as it is less ...
... called a right angle , and the straight line which stands upon the other is called a perpendicular to it . 11. If an angle be not right , it is called oblique . An oblique angle is said to be acute or obtuse , ac- cording as it is less ...
Σελίδα 3
... called complements , because , together with the portions about the diagonal , they_com- plete the whole parallelogram ABC D. 24. A circle is a plane figure contained by one line , which is called the circumference , and such that all ...
... called complements , because , together with the portions about the diagonal , they_com- plete the whole parallelogram ABC D. 24. A circle is a plane figure contained by one line , which is called the circumference , and such that all ...
Σελίδα 10
... called also the distance of the point A from the line B C. Cor . 4. Hence , if , from the centre A , a circle be described with a radius less than the perpendicular A F , it will not meet the straight line BC ; if with a radius equal to ...
... called also the distance of the point A from the line B C. Cor . 4. Hence , if , from the centre A , a circle be described with a radius less than the perpendicular A F , it will not meet the straight line BC ; if with a radius equal to ...
Σελίδα 13
... called the exterior angle , and the angle D FG , the interior and oppo- site angle upon the same side of the line . Therefore , if one straight line fall upon two other straight lines , so as to make the exterior angle equal to the ...
... called the exterior angle , and the angle D FG , the interior and oppo- site angle upon the same side of the line . Therefore , if one straight line fall upon two other straight lines , so as to make the exterior angle equal to the ...
Σελίδα 33
... called the extremes , and the second and third the means ; thus A , D are the extremes , and B , C the means , of the proportion A : B :: C : D . The terms A and C are said to be homologous , as also B and D ; the former being an ...
... called the extremes , and the second and third the means ; thus A , D are the extremes , and B , C the means , of the proportion A : B :: C : D . The terms A and C are said to be homologous , as also B and D ; the former being an ...
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