| Frederick Augustus Griffiths - 1859 - 426 pages
...— = 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...severally; multiply the half sum, and the three remainders** together, and the square root of the product will be the area required. Example. — Required the area... | |
| Elias Loomis - 1859 - 372 pages
...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. Demonstration.... | |
| Frederick Augustus Griffiths - 1859 - 422 pages
...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 the square root of the product will be the area required. Example. — Required the area... | |
| Janes Boddely Keene - 1861 - 104 pages
...feet ; what is its area in square yards ? Ans. 875 one-9th yds. When the Three Sides of a Triangle **are given. RULE. — From half the sum of the three sides subtract each side** separately ; then multiply the half sum and the three remainders together, and the square root of the... | |
| Daniel Adams - 1861 - 454 pages
...the other ? Ans. 131 feet. To find the area of a triangle when the length of each side is given, — **From half the sum of the three sides subtract each side severally** ; then multiply the half sum and the three remainders continually together, and the square root of... | |
| William Keane (gardener.) - 1861 - 252 pages
...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... | |
| Oliver Byrne - 1863 - 600 pages
...A " " 7J 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...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,... | |
| Stoddard A. Felter - 1864 - 412 pages
...alt. area. 8ft. X 2 = 16 sq.ft. PROB. II. — The sides of a triangle being given to find the 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, and... | |
| Thomas Baker (C.E.) - 1865 - 172 pages
...has been made, and the work must be repeated. TO FIND THE AREA OF A TRIANGLE FROM THE THREE SIDES. **RULE. — From half the sum of the three sides subtract each side severally** and reserve the three remainders ; multiply the half sum continually by the three remainders, and the... | |
| Hoy D. Orton - 1866 - 202 pages
...problems are all very brief by canceling. To find Cite area of any triangle when the, three sides only **are given. RULE. — From half the sum of the three sides subtract each side severally; multiply** these three remainders and the said half sum, continually together • then the square root of the... | |
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