 | 458 pages
...sides subtract each side severally, then multiply the half sum and the three remainders continually together, and the square root of the product will be the area required. 1. What will be the area of the triangle AB c, the side of which, AB, is 50 ft., B c 40 ft., and AC... | |
 | William Vogdes - Arithmetic - 1847 - 324 pages
...three sides subtract each side severally. Multiply the half sum and the three remainders continually together, and the square root of the product will be the area required. EXAMPLES 1. What is the area of a triangle whose sides are 26, 28, and 30 feet ? (26+28 + 30)-f-2=42=half... | |
 | Peter Nicholson, Joseph Gwilt - Architectural drawing Technique - 1848 - 750 pages
...whose three sides only are given. From the half sum of the three sides subtract each side severally; multiply the half sum and the three remainders together,...square root of the product will be the area required. EXAMPLE I. Required the area of a triangle ABC, whose three sides AB, вс, and CA are respectively... | |
 | William Templeton (engineer.) - 1848 - 256 pages
...sides subtract each side separately, and multiply the three remainders so obtained and the half sum together, and the square root of the product will be the area. EXAMPLE 1. — Required the area of a triangle ABC, whose base AB = 16.5, and perpendicular DC = 10.25.... | |
 | John Bonnycastle - Geometry - 1848 - 320 pages
...the sum of the four sides subtract each side severally; then multiply the four remainders continualiy together, and the square root of the product will be the area. 2. Required the area of a trapezium who?e diagonal is ?0.5, and the two perpendiculars 2-l.~, and 30.1.... | |
 | John Radford Young - Measurement - 1850 - 294 pages
...three sides are given. RULE. — From half the sum of the three sides subtract each side severally. Multiply the half sum and the three remainders together, and the square root of the product of these four quantities will be the area. The theoretical principles upon which this rule is founded... | |
 | Oliver Byrne - Engineering - 1851 - 310 pages
...three sides subtract each side severally. Multiply the half sum and the three remainders continually together, and the square root of the product will be the area required Required the area of the triangle ABC, whose three sides BC, CA, and AB are 24, 36, and 48 chains respectively.... | |
 | Charles Haynes Haswell - Engineering - 1853 - 318 pages
...sides subtract each side separately ; then multiply the half sum and the three remainders continually together, and the square root of the product will be the area. To find the Length of one side of a Right-angled Triangle, when the Length of the other two sides are... | |
 | John Hind - Trigonometry - 1855 - 540 pages
...length will be : From half the sum of the 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. Ex. Let it be required to find the area of the triangle, whose three sides are 18, 24, and 30 yards.... | |
 | Charles Haslett - Engineering - 1855 - 482 pages
...sides subtract each side separately, and multiply the three remainders so obtained and the half sum together, and the square root of the product will be the area. EXAMPLE 1. Required the area of a triangle ABC, whose busa AB =; 16-5, and perpendicular DC = 10-25.... | |
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From half the sum of the three sides subtract each side ; multiply the half sum and the three remainders together, and the square root of the product will be the area required. 
