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
| Seymour Eaton - Business - 1896 - 330 pages
...7,224 as the product. 72. Here is a very excellent rule for finding the area of a triangle when the **three sides are given : From half the sum of the three sides subtract each side separately,** multiply the half-sum and the three remainders together; the product will be the area. 73. To find... | |
| Peder Lobben - Mechanical engineering - 1899 - 460 pages
...circle of the same area. To Figure the Area of Any Triangle when Only the Length of the Three Sides Is **Given. From half the sum of the three sides subtract each side separately;** multiply these three remainders with each other and the product by half the sum of the sides, and the... | |
| Peder Lobben - Mechanical engineering - 1899 - 460 pages
...same area. To Figure the Area of Any TriangIe when Only the Length of the Three Sides is Given. RULE. **From half the sum of the three sides subtract each side separately** ; multiply these three remainders with each other and the product by half the sum of the sides, and... | |
| Frank Castle - Mathematics - 1899 - 424 pages
...Triangle A base x altitude ; or, half the product of two sides by the sine of included angle ; or, **from half the sum of the three sides subtract each side separately.** Multiply the half sum and the three remainders together and find the square root of the product. Area... | |
| Frank Castle - Mathematics - 1900 - 184 pages
...700 links. Find the area of the field in acres. Summary. Area of a Triangle = J base x altitude. Or, **from half the sum of the three sides subtract each side separately;** multiply the half sum and three remainders together ; the square root of the product gives the area... | |
| William Whitehead Rupert - Geometry - 1900 - 148 pages
...which reason He always is God." CHAPTER V. THE AREA OF A TRIANGLE IN TERMS OF ITS SIDES. 48. RULE. — **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.... | |
| Samuel Wesley Baird - Arithmetic - 1901 - 390 pages
...What is the altitude ? (96 -*- 16) x 2 = 12 ft., altitude 675. To find the area of a triangle when its **three sides are given, from half the sum of the three sides subtract each side separately. Find the** product of the half sum and the three remainders. The square root of the product will be the area of... | |
| Metal-work - 1901 - 548 pages
...-r; „»" it a triangle are given, its area is ' ' found by the following rule: FIG. 8. Rule. — **From half the sum of the three sides, subtract each side separately; find the** continued product of the half sum of the sides and the three remainders; the square root of this continued... | |
| Eugene L. Dubbs - Arithmetic - 1901 - 462 pages
...Multiply the base by the altitude, and take half the product. 2d. When the three sides are given. RULE. 1. **From half the sum of the three sides subtract each side separately.** 2. Multiply together the half sum and the three remainders, and extract the square root of the product.... | |
| Samuel Wesley Baird - 1902 - 176 pages
...12 ft. Find the base. OPERATION (96 ^>f)= 16 ft, base. Ans. To find the area of a triangle when its **three sides are given, from half the sum of the three sides subtract each** fide separately. Find the product of the half sum and the three remainders. The square root of the... | |
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