Books Books If two triangles have an angle of one equal to an angle of the other... Euclid's Elements of Geometry: The Six First Books. To which are Added ... - Page 172
by Euclid, Rev. John Allen - 1822 - 494 pages ## Plane Geometry Suggestive Method

George Clinton Shutts - 1905
...circumferences are parallel. Prove AD parallel to B C. PROPOSITION XIX. 303. Theorem. // two triangles have an angle of one equal to an angle of the other, and the sides including the equal angles proportional, the triangles are similar. A A' In the triangles... ## The Elements of Geometry

Walter Nelson Bush, John Bernard Clarke - Geometry - 1905 - 355 pages
...proportional between their diameters. XVI. GROUP ON AREAL RATIOS PROPOSITIONS XVI. 1. If two triangles have an angle of one equal to an angle of the other, they are to each other as the rectangles of the sides respectively including the equal angles. A c... ## Bulletin, Issue 3

...straight angle. (Necessary to prove propositions concerning concurrent lines.) *P16. Triangles that have an angle of one equal to an angle of the other, are to each other as the products of the sides containing those angles. *P18. In any obtuse triangle, the square of the... ## Plane Geometry

Edward Rutledge Robbins - Geometry, Plane - 1906 - 254 pages
...AMN — ZB ; Z ANM = ZC (?) (98). .-. A are similar (?) (313). QED B C 317. THEOREM. If two triangles have an angle of one equal to an angle of the other and the sides including these angles proportional, the triangles are similar. BCE r Given : A ABC and... ## Plane and Solid Geometry

Isaac Newton Failor - Geometry - 1906 - 418 pages
...by the previous theorems. 198 PROPOSITION VII. THEOREM 414 Two triangles which have an angle of the one equal to an angle of the other are to each other as the products of the sides including the equal angles. HYPOTHESIS. The & ABC and ADE have the ZA... ## PLANE AND SOLID GEOMETRY

ISAAC NEWTON FAILOR - 1906
...computed by the previous theorems. PROPOSITION VII. THEOREM 414 Two triangles which have an angle of the one equal to an angle of the other are to each other as the products of the sides including the equal angles. HYPOTHESIS. The & ABC and ADE have the /.... ## Exercises in Concrete Geometry: With Supplementary Discussions

David Sands Wright - Geometry - 1906 - 84 pages
...similar if — 1. They are mutually equiangular. 2. Their homologous sides are proportional. 3. They have an angle of one equal to an angle of the other, and the sides including the equal angles are proportional. 4. The homologous sides are parallel. 5.... ## Public Documents of Massachusetts, Volume 9

Massachusetts - Massachusetts - 1907
...circumference, is measured by one-half the difference of the intersected arcs. 3. Two triangles, having an angle of one equal to an angle of the other, are to each other as the product of the sides including the equal angles. Prove. 4. If the radius of a circle is 3v%... ## Plane and Solid Geometry

Edward Rutledge Robbins - Geometry - 1907 - 412 pages
...AMN = ZB; Z ANM = ZC (?) (98). ... A are similar (?) (313). QED B C 317. THEOREM. If two triangles have an angle of one equal to an angle of the other and the sides including these angles proportional, the triangles are similar. D BCE Given : A ABC and... 