| ...sides subtract each side severally, then multiply the half sum and the three remainders continually **together, and the square root of the product will be the area required.** 1. What will be the area of the triangle AB c, the side of which, AB, is 50 ft., B c 40 ft., and AC... | |
| Thomas Tate (mathematical master.) - 1848
...Ans. 68-736. 3. PROBLEM. To find the area of a triangle, given the three sides. 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. (See... | |
| P. O'Shaughnessy (Civil engineer) - 1848 - 98 sider
...Prob. 5. To find the area of a plain 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** continually together, the square root of the product will be the area. Demonstration. — Let ABC figure... | |
| John Bonnycastle - 1848 - 288 sider
...the sum of the four sides subtract each side severally; then multiply the four remainders continualiy **together, and the square root of the product will be the area.** 2. Required the area of a trapezium who?e diagonal is ?0.5, and the two perpendiculars 2-l.~, and 30.1.... | |
| William Templeton (engineer.) - 1848
...sides subtract each side separately, and multiply the three remainders so obtained and the half sum **together, and the square root of the product will be the area.** EXAMPLE 1. — Required the area of a triangle ABC, whose base AB = 16.5, and perpendicular DC = 10.25.... | |
| John Radford Young - 1850 - 12 sider
...IV. — To find the area of a triangle when all its three sides are given. RULE. — From half the **sum of the three sides subtract each side severally....remainders together, and the square root of the product** of these four quantities will be the area. The theoretical principles upon which this rule is founded... | |
| Oliver Byrne - 1851 - 293 sider
...= 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 side severally. Multiply the half sum and the three remainders** continually together, and the square root of the product will be the area required Required the area... | |
| CHAS. H. HASWELL - 1853
...sides subtract each side separately ; then multiply the half sum and the three remainders continually **together, and the square root of the product will be the area.** To find the Length of one side of a Right-angled Triangle, when the Length of the other two sides are... | |
| John Hind - 1855 - 328 sider
...length will be : 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.** Ex. Let it be required to find the area of the triangle, whose three sides are 18, 24, and 30 yards.... | |
| Charles William Hackley - 1855 - 504 sider
...sides subtract each side separately, and multiply the three remainders so obtained and the half sum **together, and the square root of the product will be the area.** EXAMPLE 1. Required the area of a triangle ABC, whose busa AB =; 16-5, and perpendicular DC = 10-25.... | |
| |