 | Charles Vyse - Arithmetic - 1806 - 342 pages
...three Sides of a Triangle are given, to find the Area. RULE. 3. 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 last Produdl will be the Area of the Triangle, that... | |
 | Peter Nicholson - 1809 - 426 pages
...find the area of a triangle, whose three sides only are given. From the half 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. EXAMPLE I. Rcquireth the area of a triangle... | |
 | John Gummere - Surveying - 1814 - 398 pages
...the area of a triangle, when the three sides are. given. % RULE; From half the sum of the three sides subtract each side severally ; multiply the half sum and the three remainders contiuually together, and the square root of the last product will be the area.* * DEMONSTRATION. Let... | |
 | Anthony Nesbit - Surveying - 1824 - 476 pages
...of a triangle, the three sides only of which are given. RULE. 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 last product will be the area of the triangle. Jvofe... | |
 | Edward Riddle - Nautical astronomy - 1824 - 572 pages
...sides including the required angle, and the remainder will be the logarithm sine of that angle. Rule 2. From half the sum of the three sides of the triangle subtract the side opposite the required angle. Then to the logarithms of the half sum and remainder add 20,... | |
 | Peter Nicholson - Mathematics - 1825 - 1046 pages
...find the area of a triangle, whose three sides only are given. From the half 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. Едг. Requireth the area of a triangle... | |
 | Samuel YOUNG (of Manchester.) - 1833 - 272 pages
...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 half sum and the three Remainders continually together, and the square root of their Product will be the area. (3) How many acres are... | |
 | Francis Walkingame - 1833 - 204 pages
...feet 4 inches ? ADB RULE 2. When the three sides only are given. — From half the sum of the sides subtract each side severally: multiply the half sum and the three remainders continually together ; and the square root of their product will be the area. (3) The three sides of... | |
 | Frederick Augustus Griffiths - 1839 - 348 pages
...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 triangle being... | |
 | Abraham Crocker - 1841 - 486 pages
...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 + b + c a— b... | |
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From half the sum of the three sides subtract each side severally. Multiply the half sum and the three remainders... 
