## Elemento of Geometry, Theoretical and Practical: Containing a Full Explanation of the Construction and Use of Tables, and a New System of Surveying |

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### Other editions - View all

Elements of Geometry, Theoretical and Practical: Containing a Full ... George Clinton Whitlock No preview available - 2016 |

Elements of Geometry, Theoretical and Practical: Containing a Full ... George Clinton Whitlock No preview available - 2016 |

### Common terms and phrases

altitude applicable axis base becomes calculated centre changing chord circle circumference computation consequently constant construct continuous corresponding cosb cosc cosine curve denominator denote derivative described determine diameter difference direction distance divided division draw drawn ellipse employed equal equation EXERCISES extremities factors figure follows fraction function given gives greater horizontal increased intersect known less logarithm measured method minus multiplied observing obtain obvious operation opposite parallel passing perpendicular plane polygon position problem projection proportional PROPOSITION putting quantities radius ratio reduced regarded revolve right angles rule Scholium sides similar sinb sinc sine sphere spherical square straight line student subtracting suppose surface taken tangent third triangle units variable vertical whence

### Popular passages

Page 13 - If two triangles have two sides of the one equal to two sides of the...

Page 264 - ... greater than the angle contained by the two sides equal to them, of the other ; the base of that which has the greater angle, shall be greater than the base of the other. Let ABC, DEF be two triangles, which have the two sides AB, AC, equal to...

Page 217 - Through a given point to draw a line parallel to a given straight line.

Page 195 - As the sine of the angle opposite the given side, is to the sine of the angle opposite the required side ; so is the given side to the required side.

Page 197 - To find the other side: — • as the sum of the two given sides is to their difference, so is the tangent of half the sum of their opposite angles to the tangent of half their difference...

Page 170 - The sine of an arc is the perpendicular let fall from one extremity of the arc on the diameter which passes through the other extremity.

Page 45 - In a series of equal ratios, any antecedent is to its consequent, as the sum of all the antecedents is to the sum of all the consequents. Let a: 6 = c: d = e :/. Then, by Art.

Page 83 - ... by four times the square of the line joining the middle points of the diagonals.

Page 304 - N. by E. NNE NE by N. NE NE by E. ENE E. by N. East E. by S. ESE SE by E. SE SE by S.

Page 177 - The sum of the sines of two arcs is to their difference, as the tangent of half the sum of those arcs is to the tangent of half their difference.