 | Robert Gibson - 1806 - Liczba stron: 486
...following problem will be evident. PROBLEM VIII. Three sides of a plane triangle given t0 find the area. RULE. From half the sum of the three sides subtract...the logarithms of half the sum and three remainders, anil half their total will be the logarithm of the area : or, take the square root of the continued... | |
 | Charles Vyse - 1806 - Liczba stron: 342
...let at per Acre ? Case 2. When the 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... | |
 | Robert Gibson - 1808 - Liczba stron: 482
...From half the sum of the three sides subtratl eack side severally ; take the logarithms of the half sum and three remainders, and half their total will...the square root of the continued product of the half sum and three remainders for the area. EXAMPLE s. Plate VIII. fig. 9. 1. In the triangle ABC, are.... | |
 | Robert Gibson - 1814 - Liczba stron: 558
...a filant Mangle given to Jlnd the areq. RULE. From half the sum of the three sides subtract •ach side severally ; take the logarithms of half the sum...the square root of the continued product of the half sum and three remainders for the area. . EXAMPLES. Pi. S.jg. 9. 1. In the triangle ABC, ate = 10.64... | |
 | John Gummere - 1814 - Liczba stron: 398
...48° 15'? Ans. 6A. 3R. 18P. PROBLE 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 severally ; multiply the half sum and the three remainders contiuually together, and the square root of the last... | |
 | Charles Vyse - 1815 - Liczba stron: 340
...let at per acre ? Case 2. When the three sides of a triangle are given, to find the area. i RULE. 3. From half the sum of the three sides subtract each side severally ; multiply the half cum and the three remainders continually together, and the square root of the Iast... | |
 | Robert Gibson - 1818 - Liczba stron: 502
...problem will be evident. PROB. VIII. Tlie three sides of a plane triangle given, to find the area. RULE. From half the sum of the three sides subtract each side severally ; take the logarithms of the half sum and three remainders, and half their total will be the logarithm of the area : or take... | |
 | Anthony Nesbit - 1824 - Liczba stron: 476
...£6 4*. 7 \d. , PROBLEM V. To find the area 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... | |
 | John Gummere - 1828 - Liczba stron: 404
...and.48°15'? Ans. 6 A. 3R. 18 P. PROBLEM V. To find the. area of a triangle when the three sides 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 last... | |
 | William Kinne - 1829 - Liczba stron: 246
...true right-angle. RULE 2. — To find the area of any triangle when the three sides only are given, RULE. — From half the sum of the three sides' subtract each side severally ; multiply these three remainders and the said half sum continually together; then the square root... | |
| |
RULE. From half the sum of the three sides subtract each side severally. 
