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" In every triangle, the square on the side subtending either of the acute angles, is less than the squares on the sides containing that angle, by twice the rectangle contained by either of these sides, and the straight line intercepted between the... "
Elements of Geometry: Containing the First Six Books of Euclid, with a ... - Strona 62
autor: John Playfair - 1819 - Liczba stron: 333
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Competition for Situations as Assistant in the British Museum: And ...

Great Britain. Civil Service Commission - 1896 - Liczba stron: 96
...acute-angled triangle, the square on th« side subtending any one of the angles, is less than the squares on the sides containing that angle, by twice the rectangle...line intercepted between the perpendicular let fall on it from the opposite angle, and the aforesaid angle. ALGEBRA TO SIMPLE EQUATIONS. (Seeßrst note...
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Report of the Secretary for Public Instruction ...

Queensland. Department of Public Instruction - 1897
...In every triangle, the square on the side subtending an acute angle is less than the squares on tho sides containing that angle, by twice the rectangle...line intercepted between the perpendicular let fall on it from the opposite angle and the acute angle. For Admission as Teacher of the Third Class. (Three...
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Calendar, for the Year ...

1899
...square on a side subtending an acute angle, is less than the sum of the squares on the other sides, by twice the rectangle contained by either of these sides, and the part of the side intercepted between the perpendicular let fall on it from the opposite angle, and...
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Special Reports on Educational Subjects, Tomy 6-7

Great Britain. Board of Education - 1900
...4. In every triangle, the square on the side subtending an acute angle, is less than the squares on the sides containing that angle, by twice the rectangle...line intercepted between the perpendicular let fall on it from the opposite angle, and the acute angle. .-^ If ABC is an isosceles triangle, and D a point...
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Preparatory Schools for Boys: Their Place in English Secondary Education

Great Britain. Board of Education - 1900 - Liczba stron: 531
...4. In every triangle, the square on the side subtending an acute angle, is less than the squares on the sides containing that angle, by twice the rectangle...line intercepted between the perpendicular let fall on it from the opposite angle, and the acute angle. 5. The opposite angles of any quadrilateral figure...
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A Text-book of Euclid's Elements for the Use of Schools, Books I.-IV., Księga 1

Henry Sinclair Hall, Frederick Haller Stevens - 1900 - Liczba stron: 304
...every triangle, the square on the side subtending an acute angle is less than the sum of the squares on the sides containing that angle, by twice the rectangle...line intercepted between the perpendicular let fall on it from the opposite angle, and the acute angle. D Fig. t. B Fig. 2. Let ABC be any triangle having...
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Sessional Papers, Tom 22,Część 2

Great Britain. Parliament. House of Commons - 1900
...side subtending an acute angle, is less than the squares on the sides containing that angle, by Uvice the rectangle contained by either of these sides,...straight line intercepted between the perpendicular let tall on it from the opposite angle, and the acute angle. If ABC is an isosceles triangle, and D a point...
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Annual Report of the Commissioners ..., Tom 66

1900
...any triangle the square on any side subtending an acute angle is less than the sum of the squares on the sides containing that angle, by twice the rectangle contained by either of them and the intercept between the acute angle and the foot of the perpendicular on it from the opposite...
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Report of the Committee of Council on Education in Scotland...[without Appendix]

1900
...the side subtending the obtuse angle is greater than the sum of the squares on the other two sides by twice the rectangle contained by either of these sides, and the part of it produced beyond the obtuse angle to meet a perpendicular from the opposite vertex. 16. 7....
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The School World, Tom 3

1901
...(4) In every triangle the square on the side subtending an acute angle is less ihan the squares on the sides containing that angle, by twice the rectangle...line intercepted between the perpendicular let fall on it from the opposite angle and the acute angle. The sum of the squares on the sides of a parallelogram...
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