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
| John Fair Stoddard - Arithmetic - 1888 - 480 pages
...ft triangle. Rule. — Multiply its base by half its altitude. NOTE. — If the three sides, only, **are given, From half the sum of the three sides, subtract each side separately,** multiply the half sum and these remainders together, und extract the square root of the product. 1.... | |
| John Fair Stoddard - Arithmetic - 1868 - 430 pages
...of a triangle. Rule. — Multiply its base by half Us altitude. NOTE. — If the three sides, only, **are given, From half the sum of the three sides, subtract each** sidt teparately, multiply the half sum and these remainders together, ind extract the square root of... | |
| John Groesbeck - Arithmetic - 1868 - 350 pages
...length by the breadth. To find the area of a triangle. Multiply the base by one-half the altitude. Or, **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 the product.... | |
| Isaac Todhunter - Measurement - 1869 - 312 pages
...the quotient is the height. 152. The three sides of a triangle being given, to find the area. 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 witt be... | |
| John Groesbeck - 1872 - 374 pages
...length by the breadth. To find the area of a triangle. Multiply the base by one-half the altitude. Or, **From half the sum of the three sides subtract each side separately** ; multiply together the half sum and the three remainders, and extract the tquare root of the product.... | |
| Benjamin Greenleaf - Geometry - 1873 - 202 pages
...altitude are given, multiply the base by half the altitude, or half the base by the altitude. If the **three sides are given, from 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... | |
| Henry William Jeans - 1873 - 288 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... | |
| Benjamin Greenleaf - Geometry - 1874 - 206 pages
...altitude are given, multiply the base by half the altitude, or half the base by the altitude. If the **three sides are given, from, 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... | |
| Daniel W. Fish - Arithmetic - 1874 - 524 pages
...area of an isosceles triangle whose base is 20 ft., and each of its equal sides 15 feet ? 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 is the area.... | |
| Lorenzo Fairbanks - 1875 - 468 pages
...18.25 chains ? PROBLEM III. 710. To find the area of a triangle when three sides are given. 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 the... | |
| |