Mensuration for elementary and middle class schools1875 - Measurement - 85 pages |
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16 Maps 32 Maps acres arrow ATLAS base breadth called circle circular circumference cloth lettered COLLINS common distance cone consisting of 32 cost cross-staff cube cubic foot cubic ft cylinder diagonal diameter Edinburgh ellipse entries equidistant ordinates Europe EXERCISES Fcap feet field-book find its area find its solidity find its volume find the area find the length find the volume fix a picket frustrum Glasgow Gunter's chain heptagon Herriot Hill hypothenuse inches land-surveying last ordinates LESSON Let us suppose LL.D miles mounted on Guards multiply North America offset staff opposite parallel parallelopiped pentagonal perpendicular perpendicular distance perpendicular height Physical Map plane poles prism pyramid radius rectangle regular polygon rhomboid rhombus right angles right-angled triangle rule sector sides measure slant height sphere is equal square yard straight line surveyor trapezium trapezoid triangular field triangular prism World-shewing
Popular passages
Page 10 - When a straight line standing on another straight line makes the adjacent angles equal to one another, each of the angles is called a right angle ; and the straight line which stands on the other is called a perpendicular to it.
Page 29 - A circle is a plane figure contained by one line, which is called the circumference, and is such that all straight lines drawn from a certain point within the figure to the circumference, are equal to one another.
Page 23 - RULE. From half the sum of the three sides, subtract each side separately; multiply the half sum and the three remainders together, and the square root of the product will be the area required.