 | John Gummere - 1814 - 398 σελίδες
...side of which is 17.36 chains, and the adjacent angles 37° 30' and 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... | |
 | John Gummere - 1828 - 404 σελίδες
...whiclI is 17.36 chains, and the adjacent angles 37° 30' and.48°15'? Ans. 6 A. 3R. 18 P. PROBLEM V. To find the. area of a triangle when the three sides...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... | |
 | George Alfred - 1834 - 336 σελίδες
...the perpendicular CD Э6 ; what is the area in acres, &c. ? ADS. 14 acres 2 roods 32 poks PROBLEM 7. 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 several! y, then multiply the half sum... | |
 | Frederick Augustus Griffiths - 1840 - 436 σελίδες
...perpendicular height 14 yards. .?i__ =140 Square yards. Area required. To find the Area of a Triangle, whose three Sides are given. From half the sum of the three sides, subtract each side severally ; multiply the half sum, and the three remainders together, and the square root of the product... | |
 | Charles Davies - 1840 - 264 σελίδες
...triangle whose base is 72,7 yards, and altitude 36,5 yards 1 Ans. 1326,775 sq. yds. PROBLEM III. 10. To find the area of a triangle when the three sides are known. RULE. 1st. Add the three sides together and take half their sum. Mensuration of Surt'acfs. 2nd.... | |
 | Charles WATERHOUSE - 1844 - 228 σελίδες
...ft. X 12 ft.=192 ft., Ans. „ 3. To find the area of a triangle. RULE. — If the three sides only are given. — From half the sum of the three sides, subtract each side severally ; multiply these three remainders and the said half sum continually together ; and the square... | |
 | Charles Davies - 1846 - 254 σελίδες
...triangular field whose base is 15.48 chains, and altitude 9.67 chains? Ans. 7 A. 1 R. 38 P. 27. How do you find the area of a triangle when the three sides are given? 1st. Add the three sides together and take half their sum. 2d. From this half sum take each side separately.... | |
 | 458 σελίδες
...being l-12thofasq. ft., that is, equal to 12 sq. in. PROBLEM III. To find the area of a triangle, whose three sides are given. From half the sum of the three sides subtract each side severally, then multiply the half sum and the three remainders continually together, and the square... | |
 | James Bates Thomson - 1847 - 426 σελίδες
...perpendicular height. 390 MENSURATION. [SECT. XIX. 626. To find the area of a triangle, the three sides being given. From half the sum of the three sides subtract each side respectively ; then multiply together half the sum and the three remainders, and extract the square root of Uie product. 9. What... | |
 | James Bates Thomson - 1847 - 432 σελίδες
...the altitude or perpendicular height. (>2(». To find the area of a triangle, the three sides being given. From half the sum of the three sides subtract each side respectively ; then multiply together half the sum and the three remainders, and extract the square root of the product. 9. What... | |
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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 separately. Multiply the half sum and the three remainders together, and extract the square root of the product. 
