Elements of Geometry: With Practical Applications Designed for BeginnersD. Appleton, 1853 - 320 σελίδες |
Αναζήτηση στο βιβλίο
Αποτελέσματα 1 - 5 από τα 68.
Σελίδα 8
... greater or less degree . The straight line has no flexure . The outlines of the different objects of nature are , in general , presented to us in the form of curved lines , some of which are very graceful and pleasing to the eye . ( 4 ...
... greater or less degree . The straight line has no flexure . The outlines of the different objects of nature are , in general , presented to us in the form of curved lines , some of which are very graceful and pleasing to the eye . ( 4 ...
Σελίδα 11
... . A B XI . Every angle BAC which is less than a right - an- gle , is called an acute angle ; and every angle DFG which is greater than a right - angle , is called an obtuse angle . C ぐ A G B F D A3 A2 A1 B Ao ( 15. ) If we BOOK I. 11.
... . A B XI . Every angle BAC which is less than a right - an- gle , is called an acute angle ; and every angle DFG which is greater than a right - angle , is called an obtuse angle . C ぐ A G B F D A3 A2 A1 B Ao ( 15. ) If we BOOK I. 11.
Σελίδα 14
... greater number of sides . XV . A triangle having the three sides equal , is called an equilateral triangle ; one having two sides equal , is called an isosceles triangle ; and one having no two sides equal , is called a scalene triangle ...
... greater number of sides . XV . A triangle having the three sides equal , is called an equilateral triangle ; one having two sides equal , is called an isosceles triangle ; and one having no two sides equal , is called a scalene triangle ...
Σελίδα 16
... greater number of sides . The number of diagonals of a polygon of n sides is given by this algebraic expression , n ( n - 3 ) . [ See Elements of Algebra , Art . 178. ] XXIII . A circle is a plane figure bounded by 16 ELEMENTS OF GEOMETRY .
... greater number of sides . The number of diagonals of a polygon of n sides is given by this algebraic expression , n ( n - 3 ) . [ See Elements of Algebra , Art . 178. ] XXIII . A circle is a plane figure bounded by 16 ELEMENTS OF GEOMETRY .
Σελίδα 18
... greater than any of them . IX . Things which coincide , or fill the same space , are identical . X. All right - angles are equal to one another . POSTULATES . I. To draw a straight line from any one point to any other point . II . To ...
... greater than any of them . IX . Things which coincide , or fill the same space , are identical . X. All right - angles are equal to one another . POSTULATES . I. To draw a straight line from any one point to any other point . II . To ...
Άλλες εκδόσεις - Προβολή όλων
Elements of Geometry With Practical Applications George R Perkins Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2023 |
Συχνά εμφανιζόμενοι όροι και φράσεις
a+b+c altitude angle ABC angle ACD angle BAC bisect centre chord circ circular sector circumference circumscribed polygon coincide cone consequently convex surface cylinder diagonal diameter distance draw equal and parallel equiangular equilateral triangle equivalent exterior angle ference figure formed given line greater half the arc hypothenuse inscribed circle intersection isosceles join less Let ABC line CD lines drawn magnitude measured by half meet multiplied number of sides opposite angles parallel lines parallelogram parallelopipedon pendicular perimeter perpen perpendicular plane MN point G prism PROBLEM produced Prop proportional PROPOSITION pyramid radii radius rectangle regular polygon respectively equal right-angled triangle Sabc Schol Scholium scribed semicircle semicircumference side AC similar solid angle sphere spherical polygon square straight line suppose tangent THEOREM three sides triangle ABC triangular prism vertex VIII