Hart, C. A. (Clara Avis), b. 1863, Feldman, Daniel D., b. 1872 · New York, American Book Co · leaf 45
54 PLANE GEOMETRY Proposition V. Theorem 116, Two triangles are eqitdi if tlve three sides of onearc equal respectively to tJve three sides of the other. … Given A ABC and RST, AB^RS, BC=ST^ and CA = TR.To prove A ABC = A RST. Argument 1 Place Arst so that thelongest side RT shall fallupon its equal AC, Rupon A, T upon C, andso that S shall fall oppo-site B. 2. Draw BS, 3. A ABS is isosceles. 4. .•.Z1 = Z2. 5. A BCS is isosceles. 6. .•.Z3 = Z4. 7…
Geometry, Plane · Geometry, Solid
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