The geometry, by T. S. Davies. Conic sections, by Stephen FenwickJ. Weale, 1853 |
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Seite 3
... equal , but its angles are not right angles . ᄆᄆ 33. A rhomboid is that which has its opposite sides equal to one another , but all its sides are not equal , nor its angles right angles . 34. All other four - sided figures besides ...
... equal , but its angles are not right angles . ᄆᄆ 33. A rhomboid is that which has its opposite sides equal to one another , but all its sides are not equal , nor its angles right angles . 34. All other four - sided figures besides ...
Seite 6
Royal Military Academy, Woolwich. which the equal sides are opposite , shall be equal , each to each , viz . , the ... angles of the one shall coincide with the remaining angles of the other , and be equal to them , viz . , the angle ABC ...
Royal Military Academy, Woolwich. which the equal sides are opposite , shall be equal , each to each , viz . , the ... angles of the one shall coincide with the remaining angles of the other , and be equal to them , viz . , the angle ABC ...
Seite 7
... angles , each to each , to which the equal sides are opposite ; therefore the angle FBC is equal to the angle GCB , and the angle BCF to the angle CBG : And , since it has been demonstrated , that the whole angle ABG is equal to the ...
... angles , each to each , to which the equal sides are opposite ; therefore the angle FBC is equal to the angle GCB , and the angle BCF to the angle CBG : And , since it has been demonstrated , that the whole angle ABG is equal to the ...
Seite 8
... equal ( Hyp . ) to AD in the triangle ACD , the angles . ECD , FDC upon the other side of the base CD are equal ( 5. 1. ) to one another : but the angle ECD ( 9. Ax . ) is greater than the angle BCD : wherefore the angle FDC is likewise ...
... equal ( Hyp . ) to AD in the triangle ACD , the angles . ECD , FDC upon the other side of the base CD are equal ( 5. 1. ) to one another : but the angle ECD ( 9. Ax . ) is greater than the angle BCD : wherefore the angle FDC is likewise ...
Seite 9
... angle , that is , to divide it into two equal angles . Let BAC be the given rectilineal angle , it is required to bisect it . Take any point D in AB , and from AC cut ( 3. 1. ) off AE equal to AD ; join DE , and upon the side DE remote ...
... angle , that is , to divide it into two equal angles . Let BAC be the given rectilineal angle , it is required to bisect it . Take any point D in AB , and from AC cut ( 3. 1. ) off AE equal to AD ; join DE , and upon the side DE remote ...
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ABC is equal ABCD adjacent angles angle ABC angle BAC axis bisected centre circle ABC circumference coincide cone construction coordinate planes described Descriptive Geometry diameter dicular dihedral angles draw edges ellipse equal angles equiangular equimultiples given line given point given straight line greater hence horizontal hyperbola inclination intersection join less Let ABC Let the plane line BC lines drawn magnitudes meet multiple orthograph parabola parallel planes parallelogram parallelopiped perpen perpendicular perpendicular to MN plane MN plane of projection plane parallel plane PQ prisms profile angles profile plane projecting plane Prop Q. E. D. PROPOSITION ratio rectangle rectangle contained rectilineal figure remaining angle respectively right angles SCHOLIUM segment sides six right sphere spherical angle tangent THEOR trace triangle ABC trihedral vertex Whence Wherefore