 | International Correspondence Schools - Building - 1906 - 634 pages
...vertex. 47. To find the area of a triangle from the lengths of its three sides, apply the following: Rule. — From half the sum of the three sides subtract each side separately; multiply together the half sum and the three remainders and extract the square root of... | |
 | Joseph H. Rose - Sheet-metal work - 1906 - 340 pages
...C Sum of sides To find the area of any oblique angled triangle when only the 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 is equal... | |
 | Charles Westinghouse - Machine design - 1906 - 168 pages
...(SC) Sum of sides To find the area of any oblique angled triangle when only the 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 products is equal... | |
 | Gustavus Sylvester Kimball - Business mathematics - 1911 - 444 pages
...feet. Solution. (20+30+40) -5-2 =45; 45-20 = 25; 45-30 = 15; 45-40 = 5. ^45X25X15X5 = 290.4 + ft. 357. 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... | |
 | Henry Adams - Geodesy - 1913 - 300 pages
...three sides only of a triangle is given, the calculation is a little more complicated. The rule is : From half the sum of the three sides subtract each side severally, and multiply it and the three remainders together and take the square root for the area. This is usually... | |
 | William Miller Barr - Engineering - 1918 - 650 pages
...area divided by the base. To Find the Area of a Triangle Whose Three Sides Only Are Given. — Rule 1. From half the sum of the three sides subtract each side severally. Multiply half the sum and the three remainders continually together, and the square root of the product... | |
 | Peder Lobben - Mechanical engineering - 1922 - 512 pages
...the 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... | |
 | William Kent - Mechanical engineering - 1923 - 1450 pages
...half the altitude. ;CLB 2. Multiply half the product of two sides by the eine of the included :t LE 3. From half the sum of the three sides subtract each side severally; tiply together the half sum and the three remainders, and extract the »re root of the product. 'he... | |
 | United States. Army. Quartermaster Corps - 1930 - 1216 pages
...given. — 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... | |
 | 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 root... | |
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RULE. From half the sum of the three sides subtract each side severally. 
