 | Charles W. Hackley - 1856 - 530 sider
...sides subtract each side separably, 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,... | |
 | Charles Haslett - 1855 - 544 sider
...sides subtract each side separately, and multiply the three remainders so obtained and the half Sinn together, and the square root of the product will be the area. EXAMPLE 1. Required the area of a triangle ABC, whose basa AB = 16'6, and perpendicular DC — 10-25.... | |
 | 1855 - 420 sider
...area. When only the three sides of a triangle can be given tn find the area. Rule. — From half the sum of the three sides subtract each side severally...three remainders together, and the square root of th* product is equal the area required. Required the area of a triangle, whose three sides are respectively... | |
 | Charles Haynes Haswell - 1858 - 350 sider
...sum of the four sides subtract each side severally ; then multiply the four remainders continually together, and the square root of the product will be the area. EXAMPLE. — In a trapezium the sides are 15, 13, 14, and 12, and the diagonal 16 inches ; required... | |
 | Frederick Augustus Griffiths - 1859 - 426 sider
...yards. Area required. 2 To find the area of a triangle, whose three sides are given. From half the sum of the three sides, subtract each side severally;...of the product will be the area required. Example. — Required the area of a triangle, whose sides are 50, 40, and 30 feet. 50 + 40+30 ; — 60, half... | |
 | Frederick Augustus Griffiths - 1859 - 422 sider
...To find the area of a triangle, whose three sides are given. From half the sum of the three side?, subtract each side severally; multiply the half sum,...of the product will be the area required. Example. — Required the area of a triangle, whose sides are 50, 40, ir.d 30 feet. — — — = 60, half the... | |
 | William Keane (gardener.) - 1861 - 252 sider
...the content by the pen is : From half the sum of the three sides, subtract each side severally, then multiply the half sum and the three remainders together, and the square root of the last product will be the content. Example : Suppose the sides to be 7 chains 15 links, 9 chains 50... | |
 | Janes Boddely Keene - 1861 - 104 sider
...Triangle are given. RULE. — From half the sum of the three sides subtract each side separately ; then multiply the half sum and the three remainders together, and the square root of the last product will be the area. What is the area of a triangle whose sides are 50, 40, and 30 ? Ans.... | |
 | Daniel Adams - 1861 - 452 sider
...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. To find the circumference of a circle when the diameter w known, multiply the diameter by 3^, or accurately... | |
 | Benjamin Greenleaf - 1862 - 532 sider
...a TRIANGLE, the three sides being given. From half the sum of the three sides subtract each side ; multiply the half sum and the three remainders together,...square root of the product will be the area required. For, let AB C be a triangle whose three c sides, AB, BC, AC, are given, but not the altitude CD, and... | |
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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 will be the area required. 
