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. Higher Book - Page 252by William Seneca Sutton - 1896Full view - About this book
| Thomas Kentish - Geometrical drawing - 1852 - 272 pages
...separately; multiply the four remainders together; the square root •will be the area. For the triangle, **from half the sum of the three sides subtract each side separately** ; multiply the three remainders and the half sum together ; the square root will be the area. gram,... | |
| Daniel Leach - Arithmetic - 1853 - 626 pages
...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 product will... | |
| J L. Ellenberger - 1854 - 344 pages
...parallelogram, having the same base and the same altitude. The area of a triangle is also found as follows : **From half the sum of the three sides, subtract each side separately,** multiply this half sum and the three remainders continually together, and extract the square root of... | |
| Thomas Kentish - 1854 - 270 pages
...separately; multiply the four remainders together; the square root will be the area. For the triangle, **from half the sum of the three sides subtract each side separately;** multiply the three remainders and the half sum together ; the square root will be the area. gram, and... | |
| Charles William Hackley - Engineering - 1855 - 482 pages
...base by a perpendicular let fall from the opposite angle, and take half the product for the area. Or, **from half the sum of the three sides subtract each side separately,** and multiply the three remainders so obtained and the half sum together, and the square root of the... | |
| Charles Haslett - 1855 - 544 pages
...base by a perpendicular let fall from the opposite angle, and take half "the product for the area. Or, **from half the sum of the three sides subtract each side separately,** and multiply the three remainders so obtained and the half Sinn together, and the square root of the... | |
| Henry William Jeans - 1858 - 106 pages
...area. Ans. 80627 square yards. RULE VII. Three sides of a plane triangle being given, to find the area. **From half the sum of the three sides, subtract each side separately.** Add together the log. of the half sum and the logarithms of the three remainders. Half the result will... | |
| Charles Haynes Haswell - Measurement - 1858 - 350 pages
...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 root of... | |
| Frederick Augustus Griffiths - Artillery - 1859 - 426 pages
...20 yards, and perpendicular height 14 yards. 20 x 14 — - — = 140 square yards. Area required. 2 **To find the area of a triangle, whose three sides...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... | |
| Frederick Augustus Griffiths - 1859 - 422 pages
...whose base is 20 yards, and perpendicular height 14 yards. 20 X 14 = 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** side?, subtract each side severally; multiply the half sum, and the three remainders together, and... | |
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