 | George Washington Hull - Arithmetic - 1895 - 404 pages
...sides of a triangle are given and not the altitude, the area can be found as follows : From half the mm of the three sides subtract each side separately ;...the half sum and the three remainders together, and extract the square root of the product ; the result will be the area required. 5. What is the area... | |
 | Seymour Eaton - Business - 1896 - 328 pages
...Here is a very excellent rule for finding the area of a triangle 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; the product will be the area. 73' To find the volume of... | |
 | Frank Castle - Mathematics - 1899 - 424 pages
...Triangle A base x altitude ; or, half the product of two sides by the sine of included angle ; or, from half the sum of the three sides subtract each side...the half sum and the three remainders together and find the square root of the product. Area of a Rhombus = half the product of the two diagonals. Area... | |
 | Seymour Eaton - 1899 - 362 pages
...use of surveyors' instruments by the following rule : To find the area of a Mangle : From one-half the sum of the three sides subtract each side separately; multiply the three remainders and the half-sum together; find the square root of the product. 47 Proceed to find... | |
 | Peder Lobben - Mechanical engineering - 1899 - 460 pages
...area. To Figure the Area of Any TriangIe 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 square... | |
 | Frank Castle - Mathematics - 1900 - 184 pages
...links. Find the area of the field in acres. Summary. Area of a Triangle = J base x altitude. Or, from half the sum of the three sides subtract each side separately; multiply the half sum and three remainders together ; the square root of the product gives the area of the triangle. Area of... | |
 | University of Toronto - 1900 - 1164 pages
...the following rule for finding the area of a triangle: — From half the sum of the three sides take each side separately, multiply the half sum and the three remainders together and take the square root of the product. 6. Show that the sum of the three acute angles whose sines are... | |
 | William Whitehead Rupert - Geometry - 1900 - 148 pages
...reason He always is God." CHAPTER V. THE AREA OF A TRIANGLE IN TERMS OF ITS SIDES. 48. 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 the product. Modern text-books... | |
 | Encyclopedias and dictionaries - 1904 - 572 pages
...height given. Multiply base by height and divide by two. When three sides are given. From the half sum of the three sides subtract each side separately;...multiply the half sum and the three remainders together. The area is the square root of the product thus obtained. TRAPEZIUM (a figure with two sides parallel... | |
 | Alexander Russell Bond - Encyclopedias and dictionaries - 1904 - 572 pages
...base by height ami divide by two. When three side-* are given. From the half sum of the three side?* subtract each side separately; multiply the half sum and the three remainders together. The area is the square root of the product thus obtained. TRAPEZIUM (a figure with two sides parallel... | |
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RULE. — From half the sum of the three sides, subtract each side separately; multiply the half -sum and the three remainders together; the square root of the product is the area. 
