Αναζήτηση Εικόνες Χάρτες Play YouTube Ειδήσεις Gmail Drive Περισσότερα »
Είσοδος
 Βιβλία Βιβλία 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. Arithmetic, for use in schools - Σελίδα 143
των John Barter (of the science and art coll, Plymouth.) - 1877
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. •... ## The principles of architecture, Τόμος 1

Peter Nicholson - 1809
...whose three sides only are given. From the half 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 will be the area required. EXAMPLE I. Rcquireth the area of a triangle ABC, whose three sides... ## 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 ;... ## A Popular Course of Pure and Mixed Mathematics ...: With Tables of ...

Peter Nicholson - 1825 - 372 σελίδες
...whose three sides only are given. From the half 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 will be the area required. Едг. Requireth the area of a triangle ABC, whose three »ides... ## 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.... ## 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.... ## 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 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....