Αναζήτηση Εικόνες Χάρτες Play YouTube Ειδήσεις Gmail Drive Περισσότερα »
Είσοδος
 Βιβλία Βιβλία RULE. From half the sum of the three sides subtract each side severally. The Theory and Practice of Surveying: Containing All the Instructions ... - Σελίδα 163
των Robert Gibson - 1832 - 348 σελίδες
Πλήρης προβολή - Σχετικά με αυτό το βιβλίο ## Adams's Improved Arithmetic: Arithmetic, in which are Combined the Analytic ...

Daniel Adams - 1861 - 280 σελίδες
...the other ? Ans. 131 feet. To find the area of a triangle when the length of each side is given, — From half the sum of the three sides subtract each side severally ; then multiply the half sum and the three remainders continually together, and the square root of... ## A handbook of practical gauging

Janes Boddely Keene - 1861
...what is its area in square yards ? Ans. 875 one-9th yds. When the Three Sides of a Triangle are given. RULE. — From half the sum of the three sides subtract each side separately ; then multiply the half sum and the three remainders together, and the square root of the... ## The Practical Model Calculator, for the Engineer, Mechanic, Machinist ...

Oliver Byrne - 1863 - 588 σελίδες
...A " " 7J pa. = 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... ## The Analysis of Written Arithmetic: Book Second, Designed for Public and ...

Stoddard A. Felter - 1864 - 394 σελίδες
...OPERATION. l.aso. half alt. area. 8ft. X 2 = 16 sq.ft. PROB. II. — The sides of a triangle being given to find the area. RULE. — 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... ## Rudimentary treatise on mensuration and measuring

Thomas Baker (C.E.) - 1865
...has been made, and the work must be repeated. TO FIND THE AREA OF A TRIANGLE FROM THE THREE SIDES. RULE. — From half the sum of the three sides subtract each side severally and reserve the three remainders ; multiply the half sum continually by the three remainders, and the... ## Orton's Lightning Calculator, and Accountant's Assistant: The Shortest ...

Hoy D. Orton - 1866 - 194 σελίδες
...all very brief by canceling. To find Cite area of any triangle when the, three sides only are given. RULE. — From half the sum of the three sides subtract each side severally; multiply these three remainders and the said half sum, continually together • then the square root... ## The Grammar-school Arithmetic: Being Book Second of the Analysis of Written ...

Stoddard A. Felter - 1868 - 340 σελίδες
...alt. area. Operation.— 8 ft. X 2 = 16 sq. ft. Fig. 24. Prob. Hi — The sides of a triangle being given to find the area. Rule. — 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... ## Mensuration for Beginners: With Numerous Examples

Isaac Todhunter - 1869 - 296 σελίδες
...the number expressing the base, the quotient is the height. 152. The three sides of a triangle being given, to find the area. 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... ## A complete treatise on practical land-surveying

Anthony Nesbit - 1870
...foregoing method. 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... ## Orton's Lightning Calculator and Accountant's Assistant

Hoy D. Orton - 1871 - 186 σελίδες
...the corner a true right-angle. To find the area of any triangle when the three tides only are given. RULE. — From half the sum of the three sides subtract each side severally; multiply these three remainders and the said half sum continually together ; 'hen the square root of...