 | Alfred Newsom Niblett - 1861 - 204 sider
...sides being given. 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 of the last product will be the area of the triangle. NOTE 1. If the rectangle of any two sides of a triangle... | |
 | Benjamin Greenleaf - 1862 - 532 sider
...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. For, let AB C be a triangle whose three c sides, AB, BC, AC, are given, but not the altitude... | |
 | Benjamin Greenleaf - 1862 - 518 sider
...area of a TRIANGLE, the three sides being given. side ; multiply the half sum and the three remainders together, and the square root of the product will be the area required. For, let ABC be a triangle whose three sides, AB, BC, AC, are given, but not the altitude... | |
 | Oliver Byrne - 1863 - 600 sider
...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 will be the area required Required the area of the triangle ABC, whose three sides BC, CA, and AB are 24, 36, and 48... | |
 | Benjamin Greenleaf - 1863 - 504 sider
...area of a TRIANGLE, the three sides being given. side ; multiply the half sum and the three remainders together, and the square root of the product will be the area required. For, let ABC be a triangle whose three sides, AB, BC, AC, are given, but not the altitude... | |
 | Eli Todd Tappan - 1864 - 288 sider
...triangle each side be subtracted, and if these remainders and the half sum be multiplied together, then the square root of the product will be the area of the triangle. Let DEF be any triangle, DF being the base and EG the altitude. Let the extent of the several lines... | |
 | Whiting Griswold - 1866 - 144 sider
...sides. RULE 8. 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 the product will equal the area. RULE 4. Multiply the perpendicular height by the length, equal the area. To find the... | |
 | Harris & Brother (Philadelphia) - 1866 - 110 sider
...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. 4. TRAPEZOID — the sum of the two parallel sides X by half the perpendicular height. 5. CIRCLE =... | |
 | A. C. Smeaton - 1867 - 314 sider
...from half the sum subtract each side separately ; then multiply the half sum and the three remainders together, and the square root of the product will be the area required. Let the sides of a triangle be 30, 40, and 50 feet, respectively, what will be the area ?... | |
 | Eli Todd Tappan - 1868 - 432 sider
...triangle each side be subtracted, and if these remainders and the half sum be multiplied together, then the square root of the product will be the area of the triangle. Let DBF be any triangle, DF being the base and EG the altitude. Let the extent of the several lines... | |
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Multiply the half sum and the three remainders continually together, and the square root of the product will be the area... 
