 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 product will be the area required.  Higher Book - Page 252by William Seneca Sutton - 1896Full view - About this book
 | Peder Lobben - Mechanical engineering - 1922 - 512 pages
...same area. To Figure the Area of Any Triangle when Only the Length of the Three Sides is Given. RULE. From half the sum of the three sides subtract each side separately; multiply these three remainders with each other and the product by half the sum of the sides, and the... | |
 | United States. Army. Quartermaster Corps - 1930 - 1216 pages
...— Rule: Multiply the base by half the altitude. To find area when three sides are given. — Rule: From half the sum of the three sides, subtract each side separately: multiply the half sum and three remainders together, and extract the square root of the product. Problems.... | |
 | Robert D. Mussey - Crafts & Hobbies - 1987 - 164 pages
...triangle, and half that product is the area. RULE 2. — When the length of the three sides are only given, from half the sum of the three sides subtract each side severally ; multiply the half sum and the three remainders continually togethtr; then estract the square... | |
 | Steam engineering - 1914 - 1114 pages
...given to find its area. To find the area of a triangle when the lengths of the three sides are known: and then multiply the half sum and the three remainders together; the square root of the product will... | |
 | Stoddard A. Felter - Arithmetic - 1868 - 368 pages
...ft. X 2 = 16 sq. ft. Prob. II. — The sides of a triangle being given to find the area. Rills. — From half the sum of the three sides subtract each side separately, then multiply the continued product of these remainders by half the sum of the sides, and extract the... | |
 | 1897 - 734 pages
...and divide by 2. A DC FIG. 26. To find area of triangle when the three sides only are known — (17) From half the sum of the three sides subtract each side separately ; multiply the half sum of the three remainders together ; and the square root of the product is Hie... | |
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