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Libri Libri 1 - 10 di 39 su As the three angles of a plane triangle are equal to two right angles, that is, to....
" 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. "
Iron: An Illustrated Weekly Journal for Iron and Steel Manufacturers ... - Pagina 126
a cura di - 1845
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Encyclopædia Britannica: Or, A Dictionary of Arts ..., Volume 13,Parte 1

Colin Macfarquhar, George Gleig - 1797
...truth or falfchood of which there is not fufficient evidence tu produce fcience or abfolute belief That the three angles of a plane triangle are equal to two right angles, is not a matter of opinion, вог сал it with propriety be called an objeci of the mathema•foot...
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Essays on the Powers of the Human Mind, Volume 2

Thomas Reid, Dugald Stewart - 1803
...fpecies, the propofition is more or lefs extenfive, according as the fubject is. Thus when I am taught, that the three angles of a plane triangle are equal to two right angles, this property extends to every fpecies of plane triangle, and to every individual plane triangle that...
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The British Critic and Quarterly Theological Review, Volume 26

1805
...binu that there are any qualities in a magnet which neceff'arlfy produce thefe «¡itfis, as we blow that the three angles of a plane triangle are equal to two right angles. The magnet may it the mero inJlrumcnt of fome invifiblc power, as an axe is the infiniment by which...
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Encyclopædia Britannica: or, A dictionary of arts and sciences, compiled by ...

Encyclopaedia Britannica - 1810
...truth or falfehood of which there is not fufficicnt evidence to produce fcience or abfokite belief. That the three angles of a plane triangle are equal to two right angles, is not a matter of opinion, nor can it with "ropriety be called an obje£t of the mathematician's belief:...
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A Treatise of Plane Trigonometry: To which is Prefixed, a Summary View of ...

Jeremiah Day - 1815 - 126 pagine
...are always equal to 180°. The angles BCA and BCG are together equal to two right angles. 79. Cor. 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. So that...
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A Practical Application of the Principles of Geometry to the Mensuration of ...

Jeremiah Day - 1815 - 96 pagine
...arc always equal to 180°. The angles BCA and BCG are together equal to two light angles. 79. Cor. As the three angles of a plane triangle are equal to two right angles, that is, to IS0* (Euc. 32. 1.) the- sum of any two of them is the supplement of the other. So that...
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Encyclopaedia Britannica; Or A Dictionary of Arts, Sciences, and ..., Volume 15

1823
...truth or falsehood of which there is not sufficient evidence to produce science or absolute belief. That the three angles of a plane triangle are equal to two right angles, is not a matter of opinion, nor can it with propriety be called an object of the mathematician's belief:...
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The Second [-fifth and Sixth] Part of A Course of Mathematics: Adapted to ...

Jeremiah Day - 1824
...are always equal to 180°. The angles BCA and BCG are together equal to two right angles. 79. Cor. 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. So that...
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Essays on the powers of the human mind [orig. publ. as Essays on the ...

Thomas Reid - 1827
...species, the proposition is more or less extensive, according as the subject is. Thus, when I am taught that the three angles of a plane triangle are equal to two right angles, this property extends to every species of plane triangle, and to every individual plane triangle that...
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The London Encyclopaedia: Or, Universal Dictionary of Science ..., Volume 16

Thomas Curtis - 1829
...or falsehood of which there is not sufficient evidence to produce science or absolute belief. That three angles of a plane triangle are equal to two right angles is not a matter of opinion, nor can it with propriety be called an object of the mathematician s belief...
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