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If two triangles have two sides and the included angle of one equal respectively to two sides and the included angle of the other, the triangles are equal.
Junior High School Mathematics ... - Page 7
by Edson Homer Taylor, Fiske Allen - 1923

## Plane Geometry

Fletcher Durell, Elmer Ellsworth Arnold - Geometry, Plane - 1917 - 330 pages
...shown in the diagram. (Denote the error by e and show that e + e = x.) PROPOSITION II. THEOREM 79. If two triangles have two sides and the included angle of one respectively equal to two sides and the included angle of the other, the triangles are equal. Given...

## Solid Geometry

Claude Irwin Palmer - Geometry, Solid - 1918 - 192 pages
...triangles, the corresponding sides are equal and the corresponding angles are equal. § 23. Experiment. If two triangles have two sides and the included angle...the included angle of the other, the triangles are equal. § 25. Construction. To construct a triangle when the three sides are given. § 27. Experiment....

## Proceedings of the High School Conference of November 1910-November 1931

High schools - 1918 - 378 pages
...mentally. Read through the theorem carefully, making certain that every word is thoroughly understood. If two triangles have two sides and the included angle...equal respectively to two sides and the included angle of the other, etc., separate it into hypothesis and conclusion. To make sure that the pupils have the...

## Plane Geometry: With Problems and Applications

Herbert Ellsworth Slaught, Nels Johann Lennes - Geometry, Plane - 1918 - 360 pages
...5 = Z. 6, and C"B'= CB. That is, we have found by measurement that if two triangles are drawn with two sides and the included angle of one equal, respectively,...two sides and the included angle of the other, the remaining pairs of corresponding parts are equal. If we could prove that this statement is true in...

## Plane Geometry, with Problems and Application

Herbert Ellsworth Slaught - 1918 - 332 pages
...5 = £ 6, and C'B'= CB. That is, we have found by measurement that if two triangles are drawn with two sides and the included angle of one equal, respectively,...two sides and the included angle of the other, the remaining pairs of corresponding parts are equal. If we could prove that this statement is true in...

## Plane and Solid Geometry

Claude Irwin Palmer, Daniel Pomeroy Taylor - Geometry - 1918 - 436 pages
...triangles equal? Place the triangle ABC on Fig. 3 so that AC coincides with DF. Triangles ABC and DEF have two sides and the included angle of one equal respectively to two sides and the included angle of the . other. Are these two triangles equal? The following statement expresses the result of this...

## Junior High School Mathematics: First [-third] Course, Book 3

William Ledley Vosburgh, William Frederick Gentleman - Mathematics - 1919 - 334 pages
...as an axis until it comes into the plane again. This motion is sometimes called overturning. § 108. THEOREM I.* If two triangles have two sides and the...two sides and the included angle of the other, the two triangles are congruent. On a piece of tracing paper draw a straight line; on this line mark off...

## Junior High School Mathematics: first and third course, Volume 3

William Ledley Vosburgh - 1919 - 332 pages
...sometimes called overturning. These three statements are the postulates of motion. § 108. THEOREM I.* // two triangles have two sides and the included angle...two sides and the included angle of the other, the two triangles are congruent. On a piece of tracing paper draw a straight line ; on this line mark off...