| Charles Vyse - 1806 - 320 sider
...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 Produdl will be the Area of the Triangle, that... | |
| Peter Nicholson - 1809
...10 3 470 183 4 183 4 47 2)187 11 0 2)187 11 Ans. 93 11 6 Ans. 93 11 6 f. i ii f. i ii PROBLEM III. **To find the area of a triangle, whose three sides...the product will be the area required. EXAMPLE I.** Rcquireth the area of a triangle ABC, whose three sides AB, BC, and CA, are respectively 13, 14, and... | |
| John Gummere - 1814 - 346 sider
...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 product will be the area.* * DEMONSTRATION. Let... | |
| Charles Vyse - 1815 - 320 sider
...? 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 product will be... | |
| Thomas Keith, William Hawney - 1817
...three sides together, and take half that sum ; subtract each side separately from the half sum, then **multiply the half sum and the three remainders together, and the square root of the** last product will give the area I. Example. * Demonstration. The truth of this rule is obvious, because... | |
| Anthony Nesbit - 1824 - 434 sider
...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 product will be the area of the triangle. Jvofe... | |
| Peter Nicholson - 1825 - 372 sider
...décimais. 12 3 12-25 8 б '85 б 1 б 98 О 2)104 l 6 Am. 52 O n f. i ii 2)1О412Л f. 52 Ofi2.5 Prob. 3. **To find the area of a triangle, whose three sides...square root of the product will be the area required.** Едг. Requireth the area of a triangle ABC, whose three »ides AB BC, and CA, are respectively 13,... | |
| Thomas Hornby (land surveyor.) - 1827 - 270 sider
...each side from that half sum ; then multiply the said half sum and the three remainders continually **together ; and the square root of the product will be the area** of the triangle. EXAMPLES. 1. — Required the area of the triangular field ABC, whose base AB is 650,... | |
| John Bonnycastle - 1829 - 252 sider
...— c2) X (c2— a— 56 MENSURATION 2. Multiply the half sum and the three remainders continually **together, and the square root of the product will be the area required.** EXAMPLES. 1. Required the area of the triangle ABC, whose three sides BC, CA, and AB are 24, 36, and... | |
| Thomas Curtis - 1829
...sides, subtract each side separately, and multiply the half sum and the three remainders continually **together; and the square root of the product will be the area.** the sides Then by hence AD r: — E 1C, geAC, and AB, t» — «' "~~ 2 с ¿> — ; o AD —DB = —... | |
| |