Søk Bilder Maps Play YouTube Nyheter Gmail Disk Mer »
Logg på
 Bøker Bok All the interior angles of any rectilineal figure, together with four right angles, are equal to twice as many right angles as the figure has sides. The Elements of Euclid: Viz. the First Six Books, Together with the Eleventh ... - Side 35
av Euclid - 1810 - 518 sider
Uten tilgangsbegrensning - Om denne boken ## The Element of Geometry

John Playfair - 1836 - 114 sider
...(Cor. 2. 3. 1.), together with four right angles. Therefore all the angles of the figure, together with four right angles, are equal to twice as many right angles as the figure has sides. COR. II. All the exterior angles of any rectilineal figure are together equal to four right angles....
Uten tilgangsbegrensning - Om denne boken ## The Teacher's Assistant in the "Course of Mathematics Adapted to the Method ...

1836 - 472 sider
...triangle are equal to two right angles. Сон. 1. All the interior angles of any rectilineal figure are equal to twice as many right angles as the figure has sides, wanting four right angles» 2. All the exterior angles of any rectilineal figure are to. gether equal...
Uten tilgangsbegrensning - Om denne boken ## Elements of Plane Geometry According to Euclid

Andrew Bell - 1837 - 240 sider
...equal to two right angles. COR. 1. — All the interior angles of any rectilineal figure, together with four right angles, are equal to twice as many right angles as the figure has be divided into as many triangles as the figure has sides, by drawing straight lines from a point F...
Uten tilgangsbegrensning - Om denne boken ## Lessons on Form: Or, An Introduction to Geometry, as Given in a Pestalozzian ...

Charles Reiner - 1837 - 215 sider
...vertex of these triangles = 4 rt. /.s; therefore, the sum 01 the interior angles of any polygon is equal to twice as many right angles as the figure has sides less [minus] four. M.—If the number of sides be three, four, five, six, seven, &c., what is the sum...
Uten tilgangsbegrensning - Om denne boken ## Elements of Geometry and Trigonometry

Adrien Marie Legendre - 1837 - 329 sider
...two right angles, taken as many times, less two, as the polygon has sides (Prop. XXVI.) ; that is, equal to twice as many right angles as the figure has sides, wanting four right angles. Hence, the interior angles plus four right angles, is equal to twice as...
Uten tilgangsbegrensning - Om denne boken ## A Treatise on Mensuration for the Use of Schools

...you go along, as also the angles. angles, A, B, C, &c. of the figure together, and their sum must be equal to twice as many right angles as the figure has sides, wanting four right angles. But when the figure has a re-enterant angle, as F, measure the external...
Uten tilgangsbegrensning - Om denne boken ## Euclid's Elements [book 1-6] with corrections, by J.R. Young

Euclides - 1838
...triangles; that is,* together with four right angles. Therefore all the angles of the figure, together with four right angles, are equal to twice as many right angles as the figure has sides. COB. 2. — All the exterior angles of any rectilineal figure are together equal to four right angles....
Uten tilgangsbegrensning - Om denne boken ## Euclid's Elements of plane geometry [book 1-6] with explanatory appendix ...

Euclides - 1840
...two right angles. All the angles, therefore, of the triangles into which the AE figure is divided, are equal to twice as many right angles as the figure has sides. But of these, the angles round the point F are equal to four right angles (Prop. 13, cor.) : if these...
Uten tilgangsbegrensning - Om denne boken ## A Treatise on Geometry and Its Application in the Arts

Dionysius Lardner - 1840 - 314 sider
...supplement of its adjacent external angle, the internal and external angles, taken together, will be equal to twice as many right angles as the figure has sides ; but, from what has been already shown, the external angles alone are equal to four right angles....
Uten tilgangsbegrensning - Om denne boken ## Elements of geometry: consisting of the first four,and the sixth, books of ...

Euclides - 1842
...(2. Cor. 13. 1.), together with four right angles. Therefore all the angles of the figure, together with four right angles, are equal to twice as many right angles as the figure has sides. COR. 2. All the exterior angles of any rectilineal figure are together equal to four right angles....
Uten tilgangsbegrensning - Om denne boken