A Complete Treatise on Practical Land-surveying: In All Its Departments ; Designed Chiefly for the Use of Schools and Private Students

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Longman, Brown, Green, and Longmans, 1847 - Plane trigonometry - 426 pages
 

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Page 331 - 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.
Page 275 - And, he gave it for his opinion, that, whoever could make two ears of corn, or two blades of grass, to grow upon a spot of ground where only one grew before, would deserve better of mankind, and do more essential service to his country, than the whole race of politicians put together.
Page 87 - From half the sum of the three sides subtract each side severally; multiply the half sum and the three remainders continually together, and the square root of the last product will be the area.* * DEMONSTRATION.
Page 6 - The circumference of every circle is supposed to be divided into 360 equal parts, called degrees ; each degree into 60 equal parts, called minutes ; and each minute into 60 equal parts, called seconds.
Page 275 - An Act to facilitate the Inclosure and Improvement of Commons and Lands held in common, the Exchange of Lands, and the Division of intermixed Lands ; to provide Remedies for defective or incomplete Executions, and for the Non -execution of the Powers of general and local Inclosure Acts; and to provide for the Revival of such Powers in certain cases...
Page 262 - I AB do solemnly and sincerely declare that I will faithfully, impartially, and honestly, according to the best of my skill and ability, execute the duty of making the valuation hereby referred to me.
Page 18 - If a side of any triangle be produced, the exterior angle is equal to the two interior and opposite angles; and the three interior angles of every triangle are together equal to two right angles.
Page 76 - RULE. — To the sum of the first and last ordinates, add four times the sum of all the even ordinates, and twice the sum of all the odd ordinates...
Page 7 - A sector is any part of a circle bounded by an arc, and two radii drawn to its extremities.
Page 266 - England in the name and with the privity of the accountant-general of the Court of Chancery, to be placed to his account there...

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