| Euclid, Thomas Tate - 1849 - 120 páginas
...square of the base of an isosceles triangle is double the rectangle contained by either side and by the **line intercepted between the perpendicular let fall upon it from the opposite angle, and the** extremity of the base. 14. If two sides of a trapezium be parallel to each other, the squares of its... | |
| 1850
...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** those sides, and the right line intercepted between the perpendicular let fall upon it from the opposite... | |
| Great Britain. Committee on Education - 1850 - 914 páginas
...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** those sides, and the straight line intercepted between the acute angle and the perpendicular let fall... | |
| London univ - 1852
...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** in- _ tercepted between the acute angle and the perpendicular let fall upon it from the opposite angle.... | |
| Royal Military Academy, Woolwich - 1853
...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... | |
| Euclid, John Playfair - 1853 - 317 páginas
...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,... | |
| Euclides - 1853 - 334 páginas
...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... | |
| Euclides - 1853 - 147 páginas
...betumeen the perpendicular let fall upon it from tlie opposiie angle and the acute angle. LET ab С **be any triangle, and the angle at b one of its acute angles, and upon** b С, one of the sides containing it, let fall the perpendicular (i. 12) ad from the opposite angle:... | |
| Lucius D. Gould - 1853 - 234 páginas
...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
...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... | |
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