| John Barter (of the science and art coll, Plymouth.) - 1877 - 328 pages
...journey is completed ? EXERCISE CCXV. Having the three sides of any triangle given, to find its area. **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 last... | |
| William James Milne - 1877 - 402 pages
...the product of the base by the altitude. When the three sides are given, the following is the rule: **RULE. — From half the sum of the three sides subtract each side** separately. Multiply together the half sum and the three remainders, and extract the square root of... | |
| Samuel Mecutchen, George Mornton Sayre - 1877 - 200 pages
...preceding right triangle, AB is the hypotenuse, and AC, the perpendicular. To find the area of a triangle. **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... | |
| Stoddard A. Felter, Samuel Ashbel Farrand - 1877 - 496 pages
...2d remainder. 27 — 24 = 3, 3d remainder. 27 X 15 X 9 X 3 = 10935. y 10935 = 104.57 sq. rds. area. **RULE. — From half the sum of the three sides subtract each side** separately ; then multiply the continued product of these remainders by half the sum of the sides,... | |
| George Albert Wentworth - 1881 - 266 pages
...figure. § 424 QED GEOMETRY. — BOOK V. EXERCISES. 1. The area of any triangle may be found as follows : **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. Denote... | |
| Daniel W. Fish - 1883 - 352 pages
...6OO ft., area. 2. Find the area of a triangle whose base is 20 ft. and each, of the other sides 15 ft **RULE. — From half the sum of the three sides subtract each side** separately ; multiply the half -sum and the three remainders together ; the square root of the product... | |
| Daniel W. Fish - 1883 - 364 pages
...COO ft., area. 2. Find the area of a triangle whose base is 20 ft. and each of the other sides 15 ft. **RULE. — From half the sum of the three sides subtract each side** separately j multiply the half-sum and the three remainders together; the square root of the product... | |
| Colin Arrott R. Browning - 1884 - 274 pages
...heightTT . , - 2 area He'Sht = T5T(15) When we know the length of each side, but not the perpendicular. **Rule : — From half the sum of the three sides subtract each side** separately ; multiply the half sum and the three remainders continually together, and the square root... | |
| George Bruce Halsted - 1885 - 389 pages
...vertex, to find the area of a triangle. 319 808. Given, the three sides, to find the area of a triangle. **RULE. From half the sum of the three sides subtract each side** separately ; multiply together the half -sum and the three remainders. The square root of this product... | |
| George Bruce Halsted - 1886 - 394 pages
...vertex, to find the area of a triangle. 319 808. Given, the three sides, to find the area of a triangle. **RULE. From half the sum of the three sides subtract each side** separately ; mult1ply together the half-sum and the three remainders. The square root of tltis product... | |
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