Elements of geometry, containing books I and II with exercises and notes (1882)
Smith, J. Hamblin (James Hamblin), 1829-1901 · Toronto : Gage · leaf 61
at A, B, C, D, E and z. sat F, that is, = z s of the figure and z s at F,and .. = z s of the figure and four rt. z s. I. 15. Cor. 2, .. z s of the figure and four rt. zs = twice as many rt. z sas the figure has sides. 54 EUCLIDS ELEMENTS. [3ook I. COR. 2.. T]ic cxicrior angles of any convex… … .. all the intr. z s together with all the extr. z s = twice as many rt. l s as the figure has sides.But all the intr. l s together with four rt, z s »= twice as many rt, z s as the figure has sides..• all the intr, z s together with all the extr. ^ s= all the intr, z s together with four rt, z…
Geometry
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