 | John Groesbeck - 1891 - 426 pages
...Three Sides are given. 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 the product. EXAMPLES. 1. What is the area of a triangle whose sides are respectively 30, 40, and 50 feet ? 30 +... | |
 | George Washington Hull - Arithmetic - 1895 - 408 pages
...area can be found as follows : 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 the product ; the remit will be the area required. 5. What is the area of a triangle whose sides are, respectively, 6,... | |
 | Seymour Eaton - Business - 1896 - 328 pages
...the area : 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 the product. 4. To find the area of a circle, multiply the circumference by one-half the radius. 5. To find the... | |
 | Alfred John Pearce - 1897 - 202 pages
...RULE. — From half the sum of the three tides subtract each side separately ; multiply the half-sum and the three remainders together, and extract the square root of the product. Tims let the lengths of the three sides be a, b, and c respectively Then — I. — Find half the sum... | |
 | Edward Gideon - 1902 - 272 pages
...Sides are given. RULE.—From half the sum of the side subtract each side separately. Multiply the ha!f sum and the three remainders together, and extract the square root of the product. Find the area of a triangle 10. Whose sides are 13 ft., 14 ft., and 15 ft. The sides each 11£ rd.... | |
 | Gustavus Sylvester Kimball - Business mathematics - 1911 - 444 pages
...^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 the product. 1. How many acres in a triangular piece of land 40 rods on one side, 50 rods on the second, and 60... | |
 | Guilford Lawson Spencer - Sugar - 1917 - 626 pages
...sine of the included angle = half the sum of the three sides minus each side severally; multiply this half sum and the three remainders together "and extract the square root of the product. Area of an equilateral triangle = one fourth the square of one of its sides X0.433013. Hypothenuse... | |
 | Benjamin Adams Hathaway - Arithmetic - 1885 - 180 pages
...the three sides together and take half the sum ; from the half sum subtract the sides. separately ; multiply the half sum and the three remainders together, and extract the square root. 135. How find the Area of a Parallelogram ? Multiply the base by the altitude. 136. How find the Area... | |
 | Education - 1911 - 496 pages
...and find half the sum. From this half-sum subtract each side separately. Multiply the half-siuj^nd the three remainders together and extract the square root of the product. 8. (Diameter)2 X .7854 = area of circle. 9. To find the cost of any number of pounds of hay. Multiply... | |
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Multiply the half sum and the three remainders together, and extract the square root of the product. EXAMPLES. 1. What is the area of a triangle whose sides are respectively 30, 40, and 50 feet ? 30 + 40 + 50 = 120. 
