A Course of Mathematics ...: Designed for the Use of the Officers and Cadets of the Royal Military College, Volume 1C. Glendinning, 1807 - Mathematics |
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Page 181
... intersect a third straight line EF ( all in the same plane ) and are equal- ly inclined to that line , or make the angles AGE , CHE equal , the two lines have no inclination to one another , but are parallel or equidistant ; and when ...
... intersect a third straight line EF ( all in the same plane ) and are equal- ly inclined to that line , or make the angles AGE , CHE equal , the two lines have no inclination to one another , but are parallel or equidistant ; and when ...
Page 186
... intersect each other , the opposite angles will be equal . Let AB intersect CD in the point P. Then will the angle APD ... intersection ; consequently those parts form equal angles . - It is however , usually demonstrated thus : Because ...
... intersect each other , the opposite angles will be equal . Let AB intersect CD in the point P. Then will the angle APD ... intersection ; consequently those parts form equal angles . - It is however , usually demonstrated thus : Because ...
Page 187
... intersect another straight line , and make the alternate angles equal , the two lines are parallel . Let the lines AB , CD , intersect QS , and make the alternate angles APS , QRD equal to each other ; then AB is parallel to CD . A B P ...
... intersect another straight line , and make the alternate angles equal , the two lines are parallel . Let the lines AB , CD , intersect QS , and make the alternate angles APS , QRD equal to each other ; then AB is parallel to CD . A B P ...
Page 188
... intersect the other lines in the same angles . 41. If one side of a triangle be produced , the exterior or outward angle , will be equal to both the interior opposite angles : and the three interior angles of the triangle are together ...
... intersect the other lines in the same angles . 41. If one side of a triangle be produced , the exterior or outward angle , will be equal to both the interior opposite angles : and the three interior angles of the triangle are together ...
Page 195
... intersect each other at right angles in P ; then if any circle , whose centre C is in the line DG , be described through the point of intersection P , it will touch the other line AB in that point . A- D B Draw CO to any point in PB ...
... intersect each other at right angles in P ; then if any circle , whose centre C is in the line DG , be described through the point of intersection P , it will touch the other line AB in that point . A- D B Draw CO to any point in PB ...
Common terms and phrases
angle ACB arith arithmetical arithmetical mean base battalions bisect breadth centre chord ciphers circle circumference consequently corol cosine cube root cubic decimal defilé diameter diff difference distance ditch divided dividend division divisor example farthings feet figure frustum give given line half the arc half the perimeter height Hence horizontal improper fraction inches integer intersection isosceles least common multiple length logarithm mean proportional measure miles mixt number multiplied nearly number of terms opposite angles paces parallel parallelogram perpendicular plane polygon prism pyramid quadrilateral quotient radius ratio rectangle Reduce remainder rhombus right angles right line right-angled triangle scale of equal segment shillings sides similar sine square root subtracted Suppose tangent Theodolite toises VULGAR FRACTIONS whole number yards
Popular passages
Page 100 - Multiply the whole augmented divisor by this last quotient figure, and subtract the product from the said dividend, bringing down to the next period of the given number, for a new dividend. Repeat the same process over again — viz. find another new divisor, by doubling all the figures now...
Page 95 - If the errors are unlike, divide the sum of the products by the sum of the errors, and the quotient will be the answer.
Page 220 - A solid angle is that which is made by the meeting of more than two plane angles, which are not in the same plane, in one point. X. ' The tenth definition is omitted for reasons given in the notes.
Page 180 - Magnitudes which coincide with one another, that is, which exactly fill the same space, are equal to one another.
Page 114 - When any number of quantities are proportionals, as one antecedent is to its consequent, so is the sum of all the antecedents to the sum of all the consequents.
Page 189 - A sector, is any part of a circle bounded by an arc, and two radii, drawn to its extremities. A quadrant, or quarter of a circle, is a sector having a quarter part of the circumference for its arc, and the two radii perpendicular to each other.
Page 334 - To find the area of a triangle. RULE.* Multiply the base by the perpendicular height, and half the product will be the area.
Page 165 - To Divide One Number by Another, Subtract the logarithm of the divisor from the logarithm of the dividend, and obtain the antilogarithm of the difference.
Page 211 - If there be any number of proportionals, as one antecedent is to its consequent, so is the sum of all the antecedents to the sum of all the consequents.
Page 207 - Similar rectilineal figures are those which have their several angles equal, each to each, and the sides about the equal angles proportionals. II. " Reciprocal figures, viz. triangles and parallelograms, " are such as have their sides about two of their " angles proportionals in such a manner, that a side