 | Robert Gibson - 1806 - 486 sivua
...Hence the 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...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 - 342 sivua
...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 - 1814 - 558 sivua
...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...be the logarithm of the area : or, take the square root of the continued product of the half sum and three remainders for the area. . EXAMPLES. Pi. S.jg.... | |
 | John Gummere - 1814 - 398 sivua
...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 - 340 sivua
...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 - 502 sivua
...the area. Q. ED Hence the following problem will be evident. PROB. VIII. Tlie three sides of a plane triangle given, to find the area. RULE. From half...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 - 476 sivua
...£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 - 404 sivua
...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 - 246 sivua
...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... | |
 | John Bonnycastle - 1829 - 256 sivua
...102. 5/e. PROBLEM III. To find the area of a triangle whose three sides only are given. RULE.* . 1 . From half the sum of the three sides subtract each side severally. * Demon. Let AC— a, ±3=b, uc=c, and AD=a:; (See preceding fig.) Then, since BD=&— x, we shall... | |
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RULE. From half the sum of the three sides subtract each side severally. 
