| London univ - 1852 - 358 pàgines
...angle. 4. In every acute-angled triangle the square of the side subtending either of the acute angles is less than the squares of the sides containing that...contained by either of these sides, and the straight line in- _ tercepted between the acute angle and the perpendicular let fall upon it from the opposite angle.... | |
| Royal Military Academy, Woolwich - 1853 - 400 pàgines
...PROPOSITION XIII. THEOR. In every triangle, the square of the side subtending any nj the acute angles is less than the squares of the sides containing that...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... | |
| Euclides - 1853 - 334 pàgines
...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... | |
| Lucius D. Gould - 1853 - 234 pàgines
...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... | |
| William Somerville Orr - 1854 - 534 pàgines
...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... | |
| Thomas Lund - 1854 - 520 pàgines
...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... | |
| Great Britain. Committee on Education - 1855 - 976 pàgines
...by the parts. 6. In every triangle, the square of the side subtending either of the acute angles, is less than the squares of the sides containing that...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... | |
| 1855 - 264 pàgines
...by the parts. 6. In every 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... | |
| Robert Potts - 1855 - 1050 pàgines
...parallels. 4. In any 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.... | |
| Euclides - 1855 - 270 pàgines
...XIII. THEOREM, '•j every triangle, the square of the side subtending either of the acute anglei, it less than the squares of the sides containing that angle, by twice the reel. angle contained by either of these sides, and the straight Une intercepted between the acute... | |
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