| British Columbia. Superintendent of Education - 1897
...rectangle contained by the parts. 3. In obtuse-angled triangles, if a perpendicular lie drawn from **either of the acute angles to the opposite side produced,...angle, by twice the rectangle contained by the side** on which, when produced, the perpendicular falls, and the straight line intercepted, without the triangle,... | |
| Euclid
...cutting a given straight line in extreme and mean ratio. PROPOSITION 1 2. In obtuse-angled triangles **the square on the side subtending the obtuse angle...the obtuse angle by twice the rectangle contained by** one of the sides about 'he obtuse angle, namely that on which the 26 — 2 perpendicular falls, and... | |
| Peter M. Engelfriet - Mathematics - 1998 - 488 pages
...ie cannot be expressed in whole numbers (OM I, p. 369)." 12. =&mftm Heath In obtuse-angled triangles **the square on the side subtending the obtuse angle...the obtuse angle by twice the rectangle contained by** one of the sides about the obtuse angle, namely that on which the perpendicular falls, and the straight... | |
| Surveying - 1908
...i у" - 4.x2 = 4.-K + 1 4. Show that in an obtuse angled triangle, if a perpendicular be drawn from **either of the acute angles to the opposite side produced the square on the side** opposite the obtuse angle is greater than the sum of the squares on the sides forming the obtuse angle... | |
| Education Department - 1879
...angled triangles, if a perpendicular be drawn from either of the acute angles to the opposite aide **produced, the square on the side subtending the obtuse Angle is greater than the** sum of the squares on the sides containing the obtu=e angle, by twice the rectangle contained by the... | |
| University of Bombay - 1903
...produced and the part produced. 4. In an obtuse-angled triangle, if a perpe ndicnlnr bo drawn from one И **of the acute angles to the opposite side produced, the square on the** sido opposite the obtuse angle is greater than the squares on the sides containing it, by twice the... | |
| University of Cambridge - 1850
...whose angles axe of give* magnitude. 2. In obtuse-angled triangles, if a perpendicular be drawn from **either of the acute angles to the opposite side produced, the square** of the side suhtending the obtuse angle is greater than the squares of the sides containby the obtuse... | |
| |