 | John Nicholson - 1825 - 838 σελίδες
...three sides only are given : Add the three sides together, and take half the sum ; from the half sum 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. 2)... | |
 | John Nicholson (civil engineer.) - 1825 - 1008 σελίδες
...three sides only are given : Add the three sides together, and take half the sum ; from the half sum 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. .Er.... | |
 | Zadock Thompson - 1826 - 176 σελίδες
...2.—If the three sides only are given, add these together, and tuke half the sum ; from the half sum 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. Examples.... | |
 | John Nicholson (Civil engineer) - 1830 - 240 σελίδες
...three sides only are given : Add the three sides together, and take half the sum ; from the half sum 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. 2)... | |
 | Robert Spalding - 1832 - 68 σελίδες
...given to find the Area. RULE. Add the three sides together, and take half their sum, from the half sum subtract each side separately, multiply the half sum and the three remainders continually together, and take the square root of the last product for the area of the triangle. EXAMPLE.... | |
 | Zadock Thompson - 1832 - 182 σελίδες
...2.—If the three sides only are given, add these togethe? and take half the sum; from the half sum subtract each side separately; multiply the half sum and the three remainders will be the area of the triangle. 1. How many square feet in a triangle, whose base is 40 feet, and... | |
 | John Hind - 1837 - 584 σελίδες
...have the area = 1ABx CD = - x - \/ s (s — «)(«— V) (s — c) C 2 •cC From half the sum of the 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. are ^2 a + 2 6 - c, \/2a 2 + 2c 2 -6-, and Ex.... | |
 | Thomas Holliday - 1838 - 404 σελίδες
...rule, having the three sides given, but very rarely adopted, being too prolix in practice. Rule.—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. PROBLEM VII. TO FIND... | |
 | John Ainslie - 1849 - 586 σελίδες
...Rule,—Add the three sides, and take half the sum. From the half sum subtract each side successively, then multiply the half sum and the three remainders together; the square root of the product will be the area of the triangle. In using logarithms, add the logarithm of the half sum and those... | |
 | Rufus Putnam - 1849 - 402 σελίδες
...sides of the field ; add them together, and from half their sum subtract each side separately ; then multiply the half sum and the three remainders together ; the square root of this product will be the area. 10. The three sides of a triangular field measure 15, 20 and 25 rods... | |
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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. 1. Find the area of a triangle whose sides are 15, 20, 25 feet. 
