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Books Books 1 - 10 of 69 on When you have proved that the three angles of every triangle are equal to two right....
" When you have proved that the three angles of every triangle are equal to two right angles... "
A series of genuine letters between Henry and Frances [by R. and E. Griffith]. - Page 76
by Richard Griffith, Elizabeth Griffith - 1767
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The Philosophical Transactions ... Abridged ..., Volume 1

Royal Society (Great Britain) - Science - 1722
...which were before prov'd to be equal to А В С, ВАС. QED Hence may be inferr'd as a Corollary, That the three Angles of every Triangle are equal to two Right ones ; for the Angks А С В -V- В С E, are meafur'd by a Semicircle, and therefore equal to two Right...
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Short, but yet plain elements of geometry: shewing how by a brief and easie ...

Ignace Gaston Pardies - Geometry - 1734 - 164 pages
...9j (and a/fo tke Line de :J The Angle ae d will be a Right One ; (4. 14.) and confequer.tly, becaufe the three Angles of every Triangle are equal to two Right ' Ones, (2. 9.) The Angleea.4, together with d, muft make juft another Right Angle. But that Angle dae, together...
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The Philosophical Transactions and Collections to the End of the ..., Volume 1

Royal Society (Great Britain) - Science - 1749
...BCD-fJ)CE, which was before prov'd to be equal to ABC, ВАС. Q ED Hence may be inferr'd as a Corollary, That the three Angles of every Triangle are equal to two Right ones ; for the Angles А С В -|- В С Е, are meafur'd by a Semicircle, and therefore equal to two Right...
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A Series of Genuine Letters Between Henry and Frances

Richard Griffith, Mrs Griffith (Elizabeth) - 1757
...neverthelefs our own, becaufe it has been hit on by fome' body elfe before : And one may as well quote ddam for breathing, becaufe he was the firft Creature who...Town, being decked out by the Help of her Friends, fhould make public Acknowledgment from whom fhe had her Stockings, her Shift, her Stays, &c. So that,...
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The Monthly Review, Volume 17

Ralph Griffiths, George Edward Griffiths - 1757
...he was the firft creature who did fb, as Euclid for faying that the three angles of every tI\angle are equal to two right ones, becaufe he was the firft...town, being decked out by the help of her friends, fhould make public acknowlegement fro&i whom flie had her flockings, her fhift, her flays, &c. So that,...
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Letters to Soame Jenyns, Esq., occasioned by his Free enquiry into the ...

Richard Shepherd - Philosophy - 1768 - 227 pages
...that Julius Casfar was ftabbed in the Senate-hbufe, or Richard the Hid. flain in Bofworth field, as that the three angles of every triangle are equal to two right Ones : yet I believe the afcertainment of thofe facts, as firmly as I do the demonftration of this. And...
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Letters to the author of a Free enquiry into the nature and origin of evil ...

Richard Shepherd, Soame Jenyns - 1768
...that Julius Casfar was ftabbed in the Senate-houfe, or Richard the lild. flain in Bofworth field, as that the three angles of every triangle are equal to two right ones : yet I .believe the afcertainment of thofe fadts, as firmly as I do the demonftration <;f this. And...
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A Royal Road to Geometry: Or, an Easy and Familiar Introduction to the ...

Thomas Malton - 1774 - 440 pages
...32nd, the external Anglais proved to be equal to the two remote Angles of the Triangle; and, that all the three Angles, of every Triangle, are equal to two right ones; it fee.-nsabfurd coprove,beforehand, thatany t wo of the Angles are lefs than two right Angles, and,...
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The philosophical and mathematical commentaries of Proclus ... on the first ...

Proclus (Diadochus.), Marinus (of Naples.) - 1789
...equal to two right. And thus much may fuflice concerning converfe theorems. But as we have difcovered that the three angles of every triangle are equal to two right, we ought to determine « certain method, by which we may find how many angles, of all other multangles,...
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Encyclopędia britannica: or, A dictionary of arts ..., Volume 8, Part 1

Colin Macfarquhar, George Gleig - Reference - 1797
...that converfation relate to thefpeaier, the party addrejjed, or a Greet book. In this fentence, " ifay that the three angles of every triangle are equal to two right angles," thejfrcahr is furely not theyśæ№ 142. in converfation, or when a man, in the character...
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