| Benjamin Greenleaf - 1862 - 490 sider
...Ans. 12 A. 20 P. PROBLEM IX. 622. To find the area of a TRIANGLE, the three sides being given. side ; **multiply the half sum and the three remainders together,...square root of the product will be the area required.** For, let ABC be a triangle whose three sides, AB, BC, AC, are given, but not the altitude CD, and let... | |
| Benjamin Greenleaf - 1863 - 320 sider
...Ans. 12 A. 20 P. PROBLEM IX. 622. To find the area of a TRIANGLE, the three sides being given. side ; **multiply the half sum and the three remainders together,...square root of the product will be the area required.** For, let ABC be a triangle whose three sides, AB, BC, AC, are given, but not the altitude CD, and let... | |
| Oliver Byrne - 1863 - 588 sider
...= area required. To find the area of a triangle whose three sides only 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 product will be the area required Required the area... | |
| BENJAMIN GREENLEAF - 1863
...Ans. 12 A. 20 P. PROBLEM IX. 622. To find the area of a TRIANGLE, the three sides being given. side ; **multiply the half sum and the three remainders together, and the square root of the product** ivill be the area required. For, let AB C be a triangle whose three C sides, AB, BC, AC, are given,... | |
| DR. WM. M'FADDED, - 1866
...— Area from three sides given. From the half 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 will be the area.** 4. TRAPEZOID — the sum of the two parallel sides X by half the perpendicular height. 5. CIRCLE =... | |
| A. C. Smeaton - 1867 - 273 sider
...sides. RULE. Add the three sides together, and from half the sum subtract each side separately ; then **multiply the half sum and the three remainders together,...square root of the product will be the area required.** Let the sides of a triangle be 30, 40, and 50 feet, respectively, what will be the area ? 30 + 40 +... | |
| Gerardus Beekman Docharty - 1867 - 283 sider
...derive the following RULES. from half the sum of the three sides ml/tract each side separately ; then **multiply the half sum and the three remainders together, and the square root of** their continued product will b« the area of the triangle. Or, RULE n. Add together the logarithms... | |
| Benjamin Greenleaf - 1868 - 320 sider
...Ans. 12 A. 20 P. PROBLEM IX. 622. To find the area of a TRIANGLE, the three sides being given. side ; **multiply the half sum and the three remainders together,...square root of the product will be the area required.** For, let ABC be a triangle whose three sides, AB, BC, AC, are given, but not the altitude CD, and let... | |
| Anthony Nesbit - 1870
...4. When the three sides of a triangle are given, the area may be found as fol. Iowa : 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 required. This method... | |
| Alfred Hiley - 1871
...when the three sides are given. Prom 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. THE TRIANGLE. Kg. 3. sion are given. — (a) Divide double the area by the base, and the... | |
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