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 26
... means of the circle , an angle may be divided into three , five , and other num- bers of equal parts . Such is the divi- sion of a right angle into three equal parts . In this case we are already aware , that , since an equilateral ...
... means of the circle , an angle may be divided into three , five , and other num- bers of equal parts . Such is the divi- sion of a right angle into three equal parts . In this case we are already aware , that , since an equilateral ...
Σελίδα 27
... mean time , it may be ob- served , the limits of the data are in many cases readily suggested by the known properties of the figure , or by the necessary construction of the pro- blem . It is evident , for instance , that in every case ...
... mean time , it may be ob- served , the limits of the data are in many cases readily suggested by the known properties of the figure , or by the necessary construction of the pro- blem . It is evident , for instance , that in every case ...
Σελίδα 33
... 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 ... mean between A and C , and C a third proportional to A and B. Ꭰ 11. Any number of magnitudes of the same kind are ...
... 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 ... mean between A and C , and C a third proportional to A and B. Ꭰ 11. Any number of magnitudes of the same kind are ...
Σελίδα 34
... means between A and B ; again , B , C , D , three_geometrical means between A and E ; and so on . Also , in this case , the first A is said to have to the third C , the duplicate ratio of that which it has to the second B - to the ...
... means between A and B ; again , B , C , D , three_geometrical means between A and E ; and so on . Also , in this case , the first A is said to have to the third C , the duplicate ratio of that which it has to the second B - to the ...
Σελίδα 40
... mean no more than " by inverting , " " by alterna- ting , " " by separating , " " by exchanging , " " by com- portion , " " by mixing , " and " by reason of equal in- bining , " , " " by reason of equal intervals in direct pro- 66 ...
... mean no more than " by inverting , " " by alterna- ting , " " by separating , " " by exchanging , " " by com- portion , " " by mixing , " and " by reason of equal in- bining , " , " " by reason of equal intervals in direct pro- 66 ...
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