 | Samuel YOUNG (of Manchester.) - 1833 - 272 pages
...many acres does it contain ? When the three sides only are given. RULE 2. From half the sum of the sides subtract each side severally : multiply the...sum and the three Remainders continually together, and the square root of their Product will be the area. (3) How many acres are there in a triangular... | |
 | George Alfred - 1834 - 336 pages
...Э6 ; what is the area in acres, &c. ? ADS. 14 acres 2 roods 32 poks PROBLEM 7. To find the area of a triangle when the three sides are given. RULE. From...half the sum of the three sides subtract each side several! y, then multiply the half sum and the three remainders continually together, and the square... | |
 | Frederick Augustus Griffiths - 1839 - 352 pages
...half the product will be the area. To find the area of a triangle whose three sides are given.—From 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 will be the area required. Two sides of a right angled... | |
 | John Gummere - 1840 - 452 pages
...15'? Ans. 6 A. 3 R. 18 P. PROBLEM V. To find the area of a triangle when the three sides are given. i RULE. From half the sum of the three sides subtract...sum and the three remainders continually together, and the square root of the last product will be the area.* * DEMONSTRATION. Let ABC, Fig. 69, be the... | |
 | Frederick Augustus Griffiths - 1840 - 436 pages
....?i__ =140 Square yards. Area required. To find the Area of a Triangle, whose three Sides are given. From half the sum of the three sides, subtract each...; 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... | |
 | Abraham Crocker - 1841 - 490 pages
...the area. RULE II. When the three sides are given. Add the sides together. From half the sum of the sides subtract each side severally. Multiply the half sum and the three remainders together, and the square-root of the last product will be the area. That is, •/a + b + c^ — a +... | |
 | Charles Waterhouse - 1842 - 166 pages
...by means of the given proportion, the other sides may be found. PROB. IV. — To Measure a Triangle. RULE. — From half the sum of the three sides, subtract each side severally ; multiply these three remainders and the said half sum continually together ; the square root of the last product... | |
 | Charles WATERHOUSE - 1844 - 228 pages
...ft.=192 ft., Ans. „ 3. To find the area of a triangle. RULE. — If the three sides only are given. — From half the sum of the three sides, subtract each side severally ; multiply these three remainders and the said half sum continually together ; and the square root of the last... | |
 | Charles Haynes Haswell - 1844 - 264 pages
...cd, and half the product will be the area. To find the Area of a Triangle by the length of its sides. RULE. — From half the sum of the three sides subtract each side separately ; then multiply the half sum and the \hree remainders continually together, and the square... | |
 | William Templeton (engineer.) - 1845 - 210 pages
...=206-34375 square feet, the area. When only the three sides of a triangle can be given, to find the area. Rule. — From half the sum of the three sides, subtract...severally ; multiply the half sum and the three remainders together, and the square root of the product is equal the area required. Required the area of a triangle,... | |
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... and 48° 15'? Ans. 6 A. 3 R. 18 P. PROBLEM V. To find the area of a triangle when the three sides are given. RULE. From half the sum of the three sides... 
