Elements of Geometry: Containing the First Six Books of Euclid, with a Supplement on the Quadrature of the Circle, and the Geometry of Solids; to which are Added, Elements of Plane and Spherical TrigonometryB. & S. Collins; W. E. Dean, printer, 1836 - 311 σελίδες |
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Αποτελέσματα 1 - 5 από τα 31.
Σελίδα 55
... tangent , and the point in com- mon , the point of contact . 3. Circles are said to touch one another , which meet , but do not cut one another . 4. Straight lines are said to be equally dis- tant from the centre of a circle , when the ...
... tangent , and the point in com- mon , the point of contact . 3. Circles are said to touch one another , which meet , but do not cut one another . 4. Straight lines are said to be equally dis- tant from the centre of a circle , when the ...
Σελίδα 68
... tangent to a circle is perpendicular to the diameter drawn from the point of contact . COR . 3. It follows , likewise , that tangents at each extremity of the dia- meter are parallel ( Cor . Th . 20. B. I. ) ; and , conversely ...
... tangent to a circle is perpendicular to the diameter drawn from the point of contact . COR . 3. It follows , likewise , that tangents at each extremity of the dia- meter are parallel ( Cor . Th . 20. B. I. ) ; and , conversely ...
Σελίδα 69
... tangent AB ; therefore AB , GH are parallel . If both lines cut the circle , as GH , JK , and intercept equal arcs GJ , HK ; let the diameter FE bisect one of the chords , as GH : it will also bisect the arc GEH , so that EG is equal to ...
... tangent AB ; therefore AB , GH are parallel . If both lines cut the circle , as GH , JK , and intercept equal arcs GJ , HK ; let the diameter FE bisect one of the chords , as GH : it will also bisect the arc GEH , so that EG is equal to ...
Σελίδα 78
... tangent , it follows that the angle included by two tangents , B B E D F E A A F B drawn from the same point , is bisected by a line drawn from the centre of the circle to that point ; for this line forms the hypo- tenuse common to two ...
... tangent , it follows that the angle included by two tangents , B B E D F E A A F B drawn from the same point , is bisected by a line drawn from the centre of the circle to that point ; for this line forms the hypo- tenuse common to two ...
Σελίδα 81
... tangents passing through the point A. For , by producing the tangent FD till it meets the circumference AG , and joining E and the point of intersection , and also A and the point where this last line will in- tersect the circumference ...
... tangents passing through the point A. For , by producing the tangent FD till it meets the circumference AG , and joining E and the point of intersection , and also A and the point where this last line will in- tersect the circumference ...
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Elements Of Geometry John Playfair,William Wallace,John Davidsons Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2023 |
Elements Of Geometry John Playfair,William Wallace,John Davidsons Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2023 |
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