 | Ainsworth Rand Spofford, Charles Annandale - 1901 - 578 pagine
...Procedure, Civil. Triangle, in geometry, a figure bounded by three lines and containing three angles. The three angles of a plane triangle are equal to two right angles or 180°, and its area is equal to half that of a rectangle or parallelogram of the same base and altitude.... | |
 | Charles Morris - 1921 - 484 pagine
...Procedure, Civil. (trl'ang-gl), in geometry, a figurg bounded by three lines and containing three angles. The three angles of a plane triangle are equal to two right angles or 180°, and its area is equal to half that of a rectangle or parallelogram of the same base and altitude.... | |
 | Thomas Edward Finegan - 1922 - 500 pagine
...(trl'ang-gl), in geometry, a o. nang ic figure bounded by three lines and containing three angles. The three angles of a plane triangle are equal to two right angles or 180°, and its area is equal to half that of a rectangle or parallelogram of the same base and altitude.... | |
 | Joseph Estlin Carpenter - 1927 - 516 pagine
...7, in passages that may come from other hands using a different idiom of devotion. theorem such as that the three angles of a plane triangle are equal to two right angles, or the recognition of a historical truth, such as that Jesus was crucified under Pontius Pilate. The... | |
 | Thomas Reid, William Hamilton, Harry M. Bracken, Thomas Reid, Sir William Hamilton - 1094 pagine
...species, the proposition IB more or less extensive, according as the subject is. Tims, when I am taught ilty, and confess that it is neither an impression nor an idea. For, ala this properly extends to every species of plane triangle, and to every individual plane triangle that... | |
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As the three angles of a plane triangle are equal to two right angles, that is, to 180° (Euc, 32. 1.) the' sum of any two of them is the supplement of the other. 
