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" Two right triangles are equal if the hypotenuse and an acute angle of the one are equal respectively to the hypotenuse and an acute angle of the other. "
Modern Junior Mathematics - Page 229
by Marie Gugle - 1920
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Elements of Plane and Solid Geometry

George Albert Wentworth - Geometry - 1877 - 426 pages
...PROPOSITION XXVII. THEOREM. 110. Two right triangles are equal when the hypotenuse and an acute angle of the one are equal respectively to the hypotenuse and an acute angle of the other. In the right triangles ABС and A' B' С', let AC ' = A' C", and Z. A = Z A'. We are to prove Д AB...
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Elements of Geometry

George Albert Wentworth - Geometry, Modern - 1881 - 266 pages
...PROPOSITION XXVII. THEOREM. 110. Two right triangles are equal when the hypotenuse and an acute angle of the one are equal respectively to the hypotenuse and an acute angle of the other. In the right triangles ABC and A' B' C', let A С = A' C', and ZA = Z A'. We are to prove Д AB С...
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A Text-book of Geometry

George Albert Wentworth - Geometry - 1888 - 264 pages
...equal. an.D. 148. COR. 1. Two rijkt triangles are equal if the hypotenuse and an acute angle of the one are equal respectively to the hypotenuse and an acute angle of the other. PROPOSITION XXVI. THEOREM. 150. Two triangles are equal if two sides and the included angle of the...
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Proceedings of the Board of Public Instruction of the City of Albany, Volume 12

Education - 1889 - 716 pages
...angle ? 20-22. Prove that two right angles are equal when the hypotenuse and an acute angle of the one are equal respectively to the hypotenuse and an acute angle of the other -i. How does a rhomboid differ from a rectangle '! -4. HI>«- does a trapezoid differ from a trapezium...
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The Elements of Plane and Solid Geometry ...

Edward Albert Bowser - Geometry - 1890 - 418 pages
...QED 106. COR. 1. Two right-angled triangles are equal when the hypotenuse and an acute angle of the one are equal respectively to the hypotenuse and an acute angle of the other. 107. COR. 2. Two right-angled triangles are equal when a side and an acute angle of the one are equal...
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Syllabus of Geometry

George Albert Wentworth - Mathematics - 1896 - 68 pages
...of the other. 148. Cor. 1. Two right triangles are equal if the hypotenuse and an acute angle of the one are equal respectively to the hypotenuse and an acute angle of the other. 149. Cor. 2. Two right triangles are equal if a side and an acute angle of the one are equal respectively...
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Elements of Analytic Geometry

Joseph Johnston Hardy - Geometry, Analytic - 1897 - 398 pages
...a triangle is equal to the sum of the two opposite interior angles. 14. Two right angles are equal if the hypotenuse and an acute angle of one are equal...to the hypotenuse and an acute angle of the other. 15. Two right triangles are equal if their legs are equal, each to each. 16. In an isosceles triangle...
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Plane and Solid Geometry

James Howard Gore - Geometry - 1898 - 232 pages
...B'C . 89. Cou. 1. Two right-angled triangles are equal when the hypotenuse and an acute angle of the one are equal respectively to the hypotenuse and an acute angle of the other. 90. COR. 2. Tu-o right-angled triangles are equal u-7ien a side and an acute angle of the one are equal...
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Plane Geometry

George Albert Wentworth - Geometry, Plane - 1899 - 276 pages
...other. § 132 141. COR. 2. Two right triangles are equal if the hypotenuse and an acute angle of the one are equal, respectively, to the hypotenuse and an acute angle of the other. § 133 142. COR. 3. Two right triangles are equal if a leg and an acute angle of the. one are equal,...
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Solid Geometry, Volumes 6-9

George Albert Wentworth - Geometry, Solid - 1899 - 246 pages
...than the third side. 141. Two right triangles are equal if the hypotenuse and an acute angle of the one are equal, respectively, to the hypotenuse and an acute angle of the other. 142. Two right triangles are equal if a leg and an acute angle of the one are equal, respectively,...
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