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 Βιβλία Βιβλία 1 - 10 από 120 για RULE. — From half the sum of the three sides, subtract each side separately; multiply.... 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. A Complete Arithmetic, Oral and Written - Σελίδα 345
των Malcolm MacVicar - 1876 - 394 σελίδες
Πλήρης προβολή - Σχετικά με αυτό το βιβλίο ## Mathematics, Τόμος 1

Samuel Webber - 1808
...sicks only arc given ; — add the three sides together, and take half the sum ; from the halt. sum subtract each side separately ; multiply the half sum and the three remainders continually together ; and the square root of the last product will be the area of the triangle. •... ## An Introduction to the Theory and Practice of Plane and Spherical ...

Thomas Keith - 1810 - 420 σελίδες
...these four logarithms, is the logarithmical sine of half the angle sought. (H. 215.) OR, RULE III. From half the sum of the three sides subtract each side separately. Then add together, The logarithmica! co-secants of half the sum of the sides, and of the difference... ## The description and use of the sliding rule, in arithmetic, and in the ...

Andrew Mackay - 1811 - 138 σελίδες
...easily measured by the above method. In this case, therefore, the three sides are to be measured. Now from half the sum of the th'ree sides, subtract each side separately; then extract the square root of the product of half the sum of the sides by the three differences ;... ## The Operative Mechanic, and British Machinist: Being a Practical ..., Τόμος 1

John Nicholson - 1825 - 795 σελίδες
...three sides only are given : Add the three sides together, and take half the sum ; from the half sum subtract each side separately ; multiply the half sum and the three remainders continually together ; and the square root of the last product will be the area of the triangle. Ex.... ## An Introduction to the Theory and Practice of Plain and Spherical ...

Thomas Keith - 1826 - 442 σελίδες
...these four logarithms, is the logarithmical sine of half the angle sought. (F. 184.) OR, RULE III. From half the sum of the three sides subtract each side separately. Then add together, The logarithmical co-secants of half the sum of the sides, and of the difference... ## The Youth's Assistant in Theoretick and Practical Arithmetick ...

Zadock Thompson - 1826 - 164 σελίδες
...— If the three sides only are given, add these together, and tuke half the sum ; from the half sum subtract each side separately ; multiply the half sum and the three remainders continually together, and the square root of the last product will be the area of the triangle. Examples.... ## The Teacher's Assistant, and Scholar's Mathematical Directory: Containing ...

Dudley Leavitt - 1830 - 109 σελίδες
...the three sides of a triangle are given, the area may be found thus, without a perpendicular. Erom half the sum of the three sides, subtract each side separately ; multiply the half sum and 3 remainders continually together, and the square root of the last product will be the area. Therefore,... ## The Builder's Practical Guide: Containing a Complete Explanation of the ...

John Nicholson (civil engineer.) - 1830 - 182 σελίδες
...three sides only are given : Add the three sides together, and take half the sum ; from the half sum subtract each side separately ; multiply the half sum and the three remainders continually together ; and the square root of the last product will be the area of the triangle. Ex.... ## A New and Easy Introduction to the Mathematics: Containing. A system of ...

Ira Wanzer - 1831 - 396 σελίδες
...in Problem III. 2. When the three sides of the triangle are given, the area may be found as follows: From half the sum of the three sides subtract each side separately ; then multiply the said half sum and the three remainders continually together, and the square root... ## The Youth's Assistant in Theoretic[!] and Practical Arithmetic ...

Zadock Thompson - 1832 - 168 σελίδες
...— If the three sides only are given, add these togethe? and take half the sum ; from the half sum subtract each side separately ; multiply the half sum and the three remainders continually together, and the square root of the last product will be the area of the triangle. 1....