2 Equal Parallelograms
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Illustration used to prove the theorem “Two parallelograms are equal if two sides and the included angle of one are equal respectively to two sides and the included angle of the other.”
Keywords
geometry, quadrilateral, quadrilaterals, parallelogram, equal, polygon, polygons, congruent, parallelogramsGalleries
Geometric Theorems and ProofsSource
C.A. Hart, Daniel D. Feldman Plane and Solid Geometry (New York, NY: American Book Company, 1911)
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