 | Oliver Byrne - 1851 - 310 páginas
...A " " 7 J pa. = area required. To find the area of a triangle whose three sides only are given. — 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 product... | |
 | Daniel Leach - 1853 - 622 páginas
...a triangle ? 364. To find the area of a^ triangle, when the length of its three sides is known, — RULE. From half the sum of the three sides subtract each side separately. Then multiply the half sum by each side in succession. The square root of the continued... | |
 | Elias Loomis - 1855 - 192 páginas
...feet, and the included angle 67° 15' ? Ans. (85.) When the three sides are known, we may use RULE III. From half the sum of the three sides subtract each side severally ; multiply together the half sum and the three remainders, and extract the square root of the product.... | |
 | William Templeton (engineer.) - 1855 - 326 páginas
...feet, the area. 2 When only the three sides of a triangle can t>e given, to find the area. Mule. — 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 is equal... | |
 | 1855 - 420 páginas
...superficies. ; = 206-34375 square feet, the 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 ; multiply the half sum and the three remainders together, and the square root of th* product is equal... | |
 | David Price - 1858 - 264 páginas
...? Ans. 9 acres 2 roods. VI. To find ike area of a triangle whose three sides are given. RULE 1. — From half the sum of the three sides, subtract each side severally. 2. — Multiply the three remainders and half the sum of the three sides together. 3. — The square... | |
 | Charles Haynes Haswell - 1858 - 350 páginas
...contain ? Ans. 74$ yards. To ascertain the area of a Triangle by the length of its Sides (Figs. 6 and 7). RULE. — From half the sum of the three sides subtract each side separately ; then multiply the half sum and the three remainders continually together, and the square... | |
 | Frederick Augustus Griffiths - 1859 - 426 páginas
...— = 140 square 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; multiply the half sum, and the three remainders together, and the square root of the product will be... | |
 | Elias Loomis - 1859 - 372 páginas
...feet, and the included angle 67° 15' ? Ans. (85.) When the three sides are known, we may use RULE III. From half the sum of the three sides subtract each side severally ; multiply together the half sum and the three remain* ders, and extract the square root of the product.... | |
 | William Keane (gardener.) - 1861 - 252 páginas
...field is by measuring the three sides separately. The rule for finding 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... | |
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RULE. From half the sum of the three sides subtract each side severally. 
