Elements of Plane and Solid GeometryGinn, Heath, & Company, 1885 - 398 σελίδες |
Αναζήτηση στο βιβλίο
Αποτελέσματα 1 - 5 από τα 89.
Σελίδα 12
... A'B'C ' . Let the side BC be placed on the side E A D B C C ' B ' B'C ' , so that the vertex B shall fall on B ... A B and CD , by A C A BC -D D B placing the point C on B , and keeping C D in the same direc- tion with AB , we shall have ...
... A'B'C ' . Let the side BC be placed on the side E A D B C C ' B ' B'C ' , so that the vertex B shall fall on B ... A B and CD , by A C A BC -D D B placing the point C on B , and keeping C D in the same direc- tion with AB , we shall have ...
Σελίδα 17
... Let A B be the given straight line , C the given point , and CO the perpendicular . We are to prove CO < any other line drawn from C to A B , as CF. Produce CO to E , making O ECO . Draw E F. On A B as an axis , fold over O C F until it ...
... Let A B be the given straight line , C the given point , and CO the perpendicular . We are to prove CO < any other line drawn from C to A B , as CF. Produce CO to E , making O ECO . Draw E F. On A B as an axis , fold over O C F until it ...
Σελίδα 24
... B. Let AB ( fig . 2 ) be perpendicular to CD from the point A. We are to prove A B the only to CD from the point A. If it be possible , let A E be another line drawn from A to CD . Conceive tex E falls on B , A E B to be moved to the ...
... B. Let AB ( fig . 2 ) be perpendicular to CD from the point A. We are to prove A B the only to CD from the point A. If it be possible , let A E be another line drawn from A to CD . Conceive tex E falls on B , A E B to be moved to the ...
Σελίδα 26
... Let A B and E F be two parallel lines , and let HK be perpendicular to A B. We are to prove HKL to EF . Then Through C draw MNL to H K. MN is I to A B. ( Two lines in the same plane to a given line arc parallel ) . But EF is to AB ...
... Let A B and E F be two parallel lines , and let HK be perpendicular to A B. We are to prove HKL to EF . Then Through C draw MNL to H K. MN is I to A B. ( Two lines in the same plane to a given line arc parallel ) . But EF is to AB ...
Σελίδα 28
... Let E F cut the straight lines A B and C D in the points H and K , and let the AHK then But We are to prove = ZHKD . AB to CD . Through the point H draw MN to CD ; = LH Z MHK HKD , ( being alt . - int . ) . = ZAHK HKD , ZMHK : = ZAHK ...
... Let E F cut the straight lines A B and C D in the points H and K , and let the AHK then But We are to prove = ZHKD . AB to CD . Through the point H draw MN to CD ; = LH Z MHK HKD , ( being alt . - int . ) . = ZAHK HKD , ZMHK : = ZAHK ...
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