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 الكتب الكتب 61 - 70 من 193 فيIn every triangle, the square of the side subtending either of the acute angles is.... In every triangle, the square of the side subtending either of the acute angles is less than the squares of the sides containing that angle, by twice the rectangle contained by either of these sides, and the straight line intercepted between the perpendicular... Elements of geometry: consisting of the first four,and the sixth, books of ... - الصفحة 55
بواسطة Euclides - 1842
عرض كامل - حول هذا الكتاب ## The geometry, by T. S. Davies. Conic sections, by Stephen Fenwick

...every triangle, the square of the side subtending any nj the acute angles is less than the squares of the sides containing that angle, by twice the rectangle...from the opposite angle and the acute angle. Let ABC beany triangle, and the angle at B one of its acute angles ; and upon BC, one of the sides containing...
عرض كامل - حول هذا الكتاب ## Elements of Geometry: Containing the First Six Books of Euclid, with a ...

Euclid, John Playfair - 1853 - عدد الصفحات: 317
...every triangle the square of the side subtending any of the acute angles, is less than the squares of the sides containing that angle, by twice the rectangle...perpendicular, let fall upon it from the opposite angle, and ihn acute , angle. Let ABC be any triangle, and the angle at B one of its acute angles, and upon BC,...
عرض كامل - حول هذا الكتاب ## The Elements of Euclid, books i-vi; xi. 1-21; xii. 1,2; ed. by H.J. Hose

Euclides - 1853
...the side subtending either of the acute angles is less than the squares of the sides including this angle, by twice the rectangle contained by either...sides, and the straight line intercepted between the acute angle and the perpendicular drawn to this side, produced if necessary, front the opposite angular...
عرض كامل - حول هذا الكتاب ## The American House Carpenters' and Joiners' Assistant: Being a New and Easy ...

Lucius D. Gould - 1853 - عدد الصفحات: 136
...find the area of an acute angled triangle. Rule. — Multiply the length of the longest side by half the perpendicular let fall upon it from the opposite angle, and the product will be the area. Having the base and perpendicular of a right angled triangle, to find the...
عرض كامل - حول هذا الكتاب ## Orr's Circle of the Sciences: The mathematical sciences

William Somerville Orr - 1854
...than the squares of the sides (С В, В A) containing that angle, by twice the rectangle (C BB D) contained by either of these sides, and the straight line intercepted between the perpendicular (AD) and the acute angle (B) : that is, A C2 = С В2 + В A3— twice С BB D. First, let AD fall...
عرض كامل - حول هذا الكتاب ## Elements of geometry and mensuration

Thomas Lund - 1854 - عدد الصفحات: 362
...square of the side opposite to any acute angle is less than the sum of the squares of the aides forming that angle by twice the rectangle contained by either of these sides and that part of it nhich is intercepted between a perpendicular let fall upon it from the vertex of the...
عرض كامل - حول هذا الكتاب ## Minutes of the Committee of Council on Education

...triangle, the square of the side subtending either of the acute angles, is less than the squares of the sides containing that angle, by twice the rectangle...sides, and the straight line intercepted between the acute angle, and the perpendicular let fall upon it from the opposite angle. 7. If a point be taken...
عرض كامل - حول هذا الكتاب ## Elements of Geometry: Containing the First Six Books of Euclid with a ...

John Playfair - 1855 - عدد الصفحات: 318
...containing that angle, by twice the rectangle contained by cither of these sides, and the straight hne intercepted between the perpendicular, let fall upon it from the opposite angle, and the acutt angle. Let ABC be any triangle, and the angle at B one of its acute angles, and upon BC, one...
عرض كامل - حول هذا الكتاب ## National Society's Monthly Paper

1855
...triangle, the square of the side suhtending either of the acute angles is less than the squares of the sides containing that angle by twice the rectangle contained by either of these'sides, and the straight line intercepted between the acute angle, and the perpendicular let fall...
عرض كامل - حول هذا الكتاب ## Liber Cantabrigiensis, an account of the aids afforded to poor students, the ...

Robert Potts - 1855
...triangle the square of the side, subtending an acute angle, is less than the sum of the squares of the sides containing that angle, by twice the rectangle contained by either of them and the segment between the acute angle anil, the perpendicular let fall from the opposite angle....
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