Mathematics: Compiled from the Best Authors and Intended to be the Text-book of the Course of Private Lectures on These Sciences in the University at Cambridge, Band 2Printed at the University Press, by WilliamHilliard, 1801 |
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Seite 7
... of the areas of circular segments GAUGING HEIGHTS AND DISTANCES SURVEYING . 139 . 145 153 169 Instruments and Field Book 207 Practice Division of Land Levelling Practice of Surveying . Planning and Contents OF THE Second Wolume .
... of the areas of circular segments GAUGING HEIGHTS AND DISTANCES SURVEYING . 139 . 145 153 169 Instruments and Field Book 207 Practice Division of Land Levelling Practice of Surveying . Planning and Contents OF THE Second Wolume .
Seite 21
... segments , and the whole triangle into two right - angled triangles it will be As the base , or sum of the segments Is to the sum of the other two sides So is the difference of those sides : : To the difference of the segments of the ...
... segments , and the whole triangle into two right - angled triangles it will be As the base , or sum of the segments Is to the sum of the other two sides So is the difference of those sides : : To the difference of the segments of the ...
Seite 22
... segments . Which will commonly be more convenient to use than the whole difference . Given EXAMPLE 1 . In the plane triangle ABC , AB 345 AC 174 07 yd . BC 232 Required the angles . } Geometrically . P B 1. Draw AB equal to 345 , by a ...
... segments . Which will commonly be more convenient to use than the whole difference . Given EXAMPLE 1 . In the plane triangle ABC , AB 345 AC 174 07 yd . BC 232 Required the angles . } Geometrically . P B 1. Draw AB equal to 345 , by a ...
Seite 24
... segments of the base . In the second proportion , extend from 174 to 138 on the numbers ; that will reach , on the sines , from 90 ° to 52 ° 3 . In the third proportion , extend from 232 to 206 , and that extent will reach from 90 ° to ...
... segments of the base . In the second proportion , extend from 174 to 138 on the numbers ; that will reach , on the sines , from 90 ° to 52 ° 3 . In the third proportion , extend from 232 to 206 , and that extent will reach from 90 ° to ...
Seite 66
... segment , by the last Problem . 2. Find the area of the triangle , formed by the chord of the segment and the radii of the sector . 3. Then the sum of these two will be the answer , when the segment is greater than a semicircle ; but ...
... segment , by the last Problem . 2. Find the area of the triangle , formed by the chord of the segment and the radii of the sector . 3. Then the sum of these two will be the answer , when the segment is greater than a semicircle ; but ...
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Häufige Begriffe und Wortgruppen
abscisses ADBA altitude angle answer axes axis azimuth base breadth bung diameter cask centre chord circumference cone conjugate cosine course curve declination departure dial diff difference of latitude difference of longitude distance divided draw drawn ecliptic ellipse equal equinoctial EXAMPLES feet figure find the area find the solidity frustum given head diameter height Hence horizon hour angle hour lines hyperbola hypotenuse intersection latit measure meridian middle latitude miles multiply the sum NOTE oblique circle opposite ordinate parabola parallel of latitude parallel sailing parallelogram perpendicular plane sailing pole primitive PROBLEM PROBLEM projection proportion quadrant radius rectangle Required the area Required the content right ascension right line RULE secant segment side sphere spherical triangle spindle square star station stile subtract sun's tance tang tangent THEOREM transverse trapezium triangle ABC ullage wine gallons yards
Beliebte Passagen
Seite 21 - As the base or sum of the segments Is to the sum of the other two sides, So is the difference of those sides To the difference of the segments of the base.
Seite 17 - 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...
Seite 83 - A sphere is a solid bounded by a curved surface, every point of which is equally distant from a point within called the center.
Seite 328 - The conjugate to any diameter is the line drawn through the centre, and parallel to the tangent of the curve at the vertex of the diameter. So...
Seite 28 - But if the hypothenuse be made radius -, then each leg "will represent the sine of its opposite angle ; namely, the leg AB the sine of the arc AE or angle c, and the leg BC the sine of the arc CD or angle A.
Seite 83 - The axis of a solid is a line drawn from the middle of one end to the middle of the opposite end ; as between the opposite ends of a prism.
Seite 83 - The sphere may be conceived to be formed by the revolution of a semicircle about its diameter, which remains fixed.
Seite 130 - Between these, in a right line, stands an ancient statue, the head whereof is 97 feet from the summit of the higher, and 86 feet from the top of the lower column, and the distance between the...
Seite 205 - All the interior angles of any rectilineal figure, together with four right angles, are equal to twice as many right angles as the figure has sides.
Seite 38 - Multiply the sum of the two parallel sides by the perpendicular distance between them, and half the product will be the area.