The Common Sense of the Exact SciencesD. Appleton, 1891 - 271 σελίδες |
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Αποτελέσματα 1 - 5 από τα 31.
Σελίδα xi
... Triangles 7. Properties of Circles ; Related Circles and Triangles 8. The Conic Sections 9. On Surfaces of the Second Order 69 75 81 87 10. How to form Curves of the Third and Higher Orders . 91 · • SECTION CHAPTER III . QUANTITY . 1 ...
... Triangles 7. Properties of Circles ; Related Circles and Triangles 8. The Conic Sections 9. On Surfaces of the Second Order 69 75 81 87 10. How to form Curves of the Third and Higher Orders . 91 · • SECTION CHAPTER III . QUANTITY . 1 ...
Σελίδα 69
... triangle , that is to say , the portion of a plane bounded by three straight lines . We find that this triangle can be moved into any new position that we like , while the lengths of its sides and its angles remain the same ; or we may ...
... triangle , that is to say , the portion of a plane bounded by three straight lines . We find that this triangle can be moved into any new position that we like , while the lengths of its sides and its angles remain the same ; or we may ...
Σελίδα 70
... triangles are merely the same triangle in different positions ; that is , they are of the same size and shape . For if we take the first triangle and so far put it into the position of the second that the two equal sides coincide , then ...
... triangles are merely the same triangle in different positions ; that is , they are of the same size and shape . For if we take the first triangle and so far put it into the position of the second that the two equal sides coincide , then ...
Σελίδα 71
... triangle . If we now make a point P travel along the line AB it must , in virtue of our second observation , be always possible to draw through this point a line which shall meet ac in Q so as to make a triangle A P Q of the same ୯ ...
... triangle . If we now make a point P travel along the line AB it must , in virtue of our second observation , be always possible to draw through this point a line which shall meet ac in Q so as to make a triangle A P Q of the same ୯ ...
Σελίδα 72
... triangle AP Q. But for this to be the case the line drawn through в must make the same angle with A B that PQ makes with it , that is , it must be the line B D. And the three lines B D , BA , A C cannot form a triangle , for B D and AC ...
... triangle AP Q. But for this to be the case the line drawn through в must make the same angle with A B that PQ makes with it , that is , it must be the line B D. And the three lines B D , BA , A C cannot form a triangle , for B D and AC ...
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Συχνά εμφανιζόμενοι όροι και φράσεις
A B C Archimedes arrangements body centre circle circumference clockwise coincide commutative law complex number Conon of Samos consider containing convert cose count counter-clockwise cube curve cylinder denoted determine directed step distance divide dots edge ellipse equiangular spiral expressed exterior angle figure five times six four fourth proportional fraction geometrical grow at logarithmic Hence hyperbola lemniscate length letters logarithmic rate logarithmic spiral loop magnitude means measure motion move Natural logarithms operation parabola parallel parallelogram perpendicular plane position quantity quaternion radius ratio rectangle represent result reverse right angles right six-face round scalar shadow shape side smooth-points space sphere spiral square step A P step backwards step forwards straight line stretch surface symbol tangent termed theorem tion triangle turn unit angle unity vector steps velocity
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