| Benjamin Greenleaf - 1873 - 176 sider
...the altitude. If the three sides are given, from half the sum of the three sides subtract each side ; **multiply the half sum and the three remainders together,...square root of the product will be the area required.** 1. Required the area of the triangle ABC, whose base, BC, is 210, and altitude, AD, is 190 feet. 210... | |
| Benjamin Greenleaf - 1874 - 176 sider
...altitude. If the three sides are given, from, half the sum of the three sides subtract each side ; **multiply the half sum and the three remainders together,...square root of the product will be the area required.** 1. Required the area of the triangle ABC, whose base, BC, is 210, and altitude, AD, is 190 feet. 210... | |
| Henry Lewis (M.A.) - 1875 - 85 sider
...by the following rule: — From half the sum of the three sides, subtract each side separately; then **multiply the half sum and the three remainders together, and the square root of the** last product will be the area of the triangle. For practical purposes this rule may be more conveniently... | |
| Samuel Mecutchen, George Mornton Sayre - 1877
...the area of a triangle. RULE. From half the sum of the three sides, subtract each side separately; **multiply the half sum and the three remainders together,...square root of the product will be the area required.** Note. — When the base and altitude are given, the area is equal to the base multiplied by half the... | |
| John Barter (of the science and art coll, Plymouth.) - 1877
...given, to find its area. Rule. — From half the sum of the three sides subtract each side separately, **multiply the half sum and the three remainders together, and the square root of the** last product will be the area of the triangle. Example. — Let AB = 30, A c = 40, B c = 50. 30 + 40... | |
| Thomas Hunter - 1878 - 132 sider
...sides subtract each side sepa~ rately : multiply the half sum and the three remainders continually **together, and the square root of the product will be the area required.*** • Demonstration.—Let AC=c, CB=<7, and AB=6; and c»—d'=AD a —DB» (e+d) (f—d)=(AD+DB) (AD—DB);... | |
| Alfred Hiley - 1879 - 188 sider
...when the three sides are given. From half the sum of the three sides, subtract each side separately. **Multiply the half sum and the three remainders together, and the square root of the product** is the area. Note 1. — To find one dimension, either the base or the height, when the area of the... | |
| Samuel Mecutchen - 1880 - 232 sider
...find the area of a triangle. FROM half the sum of the three sides, subtract each side separately ; **multiply the half sum and the three remainders together,...square root of the product will be the area required.** NOTE. — When the base and altitude are given, the area is equal to the base multiplied by half the... | |
| Samuel Mecutchen - 1880 - 232 sider
...find the area of a triangle. FROM half the sum of the three sides, subtract each side separately ; **multiply the half sum and the three remainders together,...square root of the product will be the area required.** NOTE. — When the base and altitude are given, the area is equal to the base multiplied by half the... | |
| Thomas Liddell Ainsley - 1880
...the following EULE LXV. From half the sum of the three sides, subtract each side separately ; then **multiply the half sum and the three remainders together, and the square root of the** latí product mill be the area of the triangle. For practical purposes this rule may he more conveniently... | |
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