Geometry: Plane Trigonometry. Chain Surveying. Compass Surveying. Transit SurveyingInternational Textbook Company, 1906 |
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Seite 15
... taken as the base . The angle opposite the base of a tri- angle is sometimes called the vertical angle of the triangle . In Figs . 42 and 43 , AC is the base . 66. The altitude of a triangle is the length of a line drawn from the vertex ...
... taken as the base . The angle opposite the base of a tri- angle is sometimes called the vertical angle of the triangle . In Figs . 42 and 43 , AC is the base . 66. The altitude of a triangle is the length of a line drawn from the vertex ...
Seite 18
... taken as the unit of area , and its area is called the square unit . For example , if the unit of length is 1 inch , the unit of area , or square inch , is the square whose sides measure 1 inch , and the area of any surface is expressed ...
... taken as the unit of area , and its area is called the square unit . For example , if the unit of length is 1 inch , the unit of area , or square inch , is the square whose sides measure 1 inch , and the area of any surface is expressed ...
Seite 21
... taken as the base , the altitude being the perpendicular to that side from the opposite vertex . 47 . To find the area of a triangle from the lengths of its three sides , apply the following : Rule . From half the sum of the three sides ...
... taken as the base , the altitude being the perpendicular to that side from the opposite vertex . 47 . To find the area of a triangle from the lengths of its three sides , apply the following : Rule . From half the sum of the three sides ...
Seite 34
... taken , and two regular polygons of the same number of sides are inscribed in them , the perim- eters of these polygons are to each other as the radii of the circles ( Art . 66 ) . This relation holds whatever the number of sides of the ...
... taken , and two regular polygons of the same number of sides are inscribed in them , the perim- eters of these polygons are to each other as the radii of the circles ( Art . 66 ) . This relation holds whatever the number of sides of the ...
Seite 44
... are squares . FIG . 52 90. The cube whose edges are equal to the unit of length is taken as the unit of volume when finding the volume of a solid . Thus , if the unit of length is 1 inch 44 $ 8 GEOMETRY Mensuration of Solids.
... are squares . FIG . 52 90. The cube whose edges are equal to the unit of length is taken as the unit of volume when finding the volume of a solid . Thus , if the unit of length is 1 inch 44 $ 8 GEOMETRY Mensuration of Solids.
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Geometry: Plane Trigonometry. Chain Surveying. Compass Surveying. Transit ... International Correspondence Schools Keine Leseprobe verfügbar - 2018 |
Geometry: Plane Trigonometry. Chain Surveying. Compass Surveying. Transit ... International Correspondence Schools Keine Leseprobe verfügbar - 2015 |
Geometry: Plane Trigonometry. Chain Surveying. Compass Surveying. Transit ... International Correspondence Schools Keine Leseprobe verfügbar - 2018 |
Häufige Begriffe und Wortgruppen
algebraic altitude angle whose logarithmic Applying formula axis azimuth b₁ b₂ base called chain clamp column marked corner correction Cosine Sine Cosine Cotang Tang Cotang course determined diameter difference direction distance divided double longitude equal equation error of closure EXAMPLES FOR PRACTICE exterior angle feet Find the angle formula of Art given graduated circle Gunter's chain head chainman horizontally opposite hypotenuse inches instrument intersection latitude range length line of sight logarithmic sine longitude range magnetic bearing measured meridian minutes minutes of arc needle parallel perpendicular plane plat plate plumb-bob Polaris pole polygon position reading reference meridian regular polygon right angles right triangle scale sidereal day Sine Cosine Sine straight line subtracted Tang Cotang Tang tangent telescope transit TRANSIT SURVEYING trapezoid trigonometric functions Trigonometry true bearing vernier vertex vertical zero
Beliebte Passagen
Seite 47 - 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 27 - A Circle is a plane figure bounded by a curved line every point of which is equally distant from a point within called the center.
Seite 23 - The straight line joining the middle points of two sides of a triangle is parallel to the third side, and equal to half of it.
Seite 14 - In any triangle, the square of the side opposite an acute angle is equal to the sum of the squares of the other two sides, minus twice the product of one of these sides and the projection of the other side upon it.
Seite 14 - The sum of any two sides of a triangle is to their difference, as the tangent of half the sum of the angles opposite to those sides, to the tangent of half their difference.
Seite 20 - ... towards the end of the table which increase by 10 units at a time, all interpolation is avoided, as with a glance at the table we can at once take out the required S or T. TABLE III. This table contains for every ten seconds of the quadrant the logarithms of the sines, cosines, tangents, and cotangents.
Seite 17 - If two triangles have two sides of the one equal to two sides of the other...
Seite 3 - ... in a direction opposite to that in which the hands of a clock move, and...
Seite 13 - In a series of equal ratios, the sum of the antecedents is to the sum of the consequents as any antecedent is to its consequent.
Seite 16 - RULE. — From half the sum of the three sides subtract each side separately ; multiply the half -sum and the three remainders together ; the square root of the product is the area.