Elements of Plane and Solid GeometryGinn, Heath, & Company, 1885 - 398 σελίδες |
Αναζήτηση στο βιβλίο
Αποτελέσματα 1 - 5 από τα 28.
Σελίδα 21
... point in a perpendicular , cut off equal distances from the foot of the perpendicular . с B A E F K Let C F be the perpendicular , and C E and C K be two equal oblique lines drawn from the point ... middle PERPENDICULAR AND OBLIQUE LINES .
... point in a perpendicular , cut off equal distances from the foot of the perpendicular . с B A E F K Let C F be the perpendicular , and C E and C K be two equal oblique lines drawn from the point ... middle PERPENDICULAR AND OBLIQUE LINES .
Σελίδα 22
... middle o the straight line A B , O any point in P R , and C any point without PR . I. Draw OA and O B. We are to prove O A = O B. Since PA = PB , OA = OB , $ 53 ( two oblique lines drawn from the same point in a 1 , cutting off equal ...
... middle o the straight line A B , O any point in P R , and C any point without PR . I. Draw OA and O B. We are to prove O A = O B. Since PA = PB , OA = OB , $ 53 ( two oblique lines drawn from the same point in a 1 , cutting off equal ...
Σελίδα 23
... point is a line , straight or curved , con- taining all the points which possess a common property . Thus , the perpendicular erected at the middle of a straight line is the locus of all points equally distant from the extremi- ties of ...
... point is a line , straight or curved , con- taining all the points which possess a common property . Thus , the perpendicular erected at the middle of a straight line is the locus of all points equally distant from the extremi- ties of ...
Σελίδα 27
... middle point of B C , draw A DL to GH . Then AD is likewise to EF , ( a straight line to one of two lls is to the other ) , that is , CD and B A are both L to A D. $ 67 Apply figure COD to figure BOA so that OD shall fall on O A. Then ...
... middle point of B C , draw A DL to GH . Then AD is likewise to EF , ( a straight line to one of two lls is to the other ) , that is , CD and B A are both L to A D. $ 67 Apply figure COD to figure BOA so that OD shall fall on O A. Then ...
Σελίδα 34
... points in AB , as E and H , let EF and HK be drawn perpendicular to A B. We are to prove EF = HK . Now EF and HK are to CD , ( a line to one of two lls is to the other also ) . Let M be the middle point of E H. Draw MPL to A B. $ 67 On ...
... points in AB , as E and H , let EF and HK be drawn perpendicular to A B. We are to prove EF = HK . Now EF and HK are to CD , ( a line to one of two lls is to the other also ) . Let M be the middle point of E H. Draw MPL to A B. $ 67 On ...
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