Elements of Plane and Solid GeometryGinn, Heath, & Company, 1885 - 398 σελίδες |
Αναζήτηση στο βιβλίο
Αποτελέσματα 1 - 5 από τα 17.
Σελίδα 209
... polygon re- quired , homologous to A B. For CD CH : CE : CY , § 275 ( a line drawn through two sides of a A , | to the third side , divides the two sides proportionally ) ... REGULAR POLYGONS AND CIRCLES . 363. DEF . CONSTRUCTIONS . 209 10.
... polygon re- quired , homologous to A B. For CD CH : CE : CY , § 275 ( a line drawn through two sides of a A , | to the third side , divides the two sides proportionally ) ... REGULAR POLYGONS AND CIRCLES . 363. DEF . CONSTRUCTIONS . 209 10.
Σελίδα 210
George Albert Wentworth. BOOK V. REGULAR POLYGONS AND CIRCLES . 363. DEF . A Regular Polygon is a polygon which is equilateral and equiangular . PROPOSITION I. THEOREM . 364. Every equilateral polygon inscribed in a circle is a regular ...
George Albert Wentworth. BOOK V. REGULAR POLYGONS AND CIRCLES . 363. DEF . A Regular Polygon is a polygon which is equilateral and equiangular . PROPOSITION I. THEOREM . 364. Every equilateral polygon inscribed in a circle is a regular ...
Σελίδα 211
... regular polygon . II . A circle may be inscribed in a regular polygon . Ᏼ . C O E Let ABCD , etc. , be a regular polygon . We are to prove that a regular polygon , and also a ○ polygon . CASE L. may be circumscribed about this may be ...
... regular polygon . II . A circle may be inscribed in a regular polygon . Ᏼ . C O E Let ABCD , etc. , be a regular polygon . We are to prove that a regular polygon , and also a ○ polygon . CASE L. may be circumscribed about this may be ...
Σελίδα 212
... number of sides of the polygon . 4 rt . .. LAOB = n Q. E. D. 371. COROLLARY . The radius drawn to any vertex of a regular polygon bisects the angle at that vertex . PROPOSITION IV . THEOREM . 372. Two regular polygons of 212 BOOK V.
... number of sides of the polygon . 4 rt . .. LAOB = n Q. E. D. 371. COROLLARY . The radius drawn to any vertex of a regular polygon bisects the angle at that vertex . PROPOSITION IV . THEOREM . 372. Two regular polygons of 212 BOOK V.
Σελίδα 220
... regular polygon , and denote its perimeter by P , and its apothem by r . Then the area of this polygon = } r × P , $ 379 ( the area of a regular polygon is equal to one - half the product of its apothem by the perimeter ) . Conceive the ...
... regular polygon , and denote its perimeter by P , and its apothem by r . Then the area of this polygon = } r × P , $ 379 ( the area of a regular polygon is equal to one - half the product of its apothem by the perimeter ) . Conceive the ...
Άλλες εκδόσεις - Προβολή όλων
Συχνά εμφανιζόμενοι όροι και φράσεις
AABC ABCD altitude apothem arc A B axis base and altitude centre centre of symmetry chord circumference circumscribed coincide cone of revolution conical surface COROLLARY cylinder denote diagonals diameter dihedral angle distance divided draw equal respectively equally distant equilateral equivalent frustum given point Hence homologous sides hypotenuse intersection isosceles lateral area lateral edges lateral faces Let A B Let ABC line A B measured by arc middle point number of sides opposite parallel lines parallelogram parallelopiped pass perimeter perpendicular plane MN polyhedral angle prove Q. E. D. PROPOSITION radii ratio rect rectangles regular inscribed regular polygon right angles right section S-ABC SCHOLIUM similar polygons slant height sphere spherical angle spherical polygon spherical triangle straight line drawn surface tangent tetrahedron THEOREM trihedral upper base vertex vertices volume