An Improvement on SSA Congruence for Geometry and Trigonometry.

Yeshurun, Shraga; Kay, David C.

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Peer reviewed

ERIC Number: EJ279951

Record Type: CIJE

Publication Date: 1983-May

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An Improvement on SSA Congruence for Geometry and Trigonometry.

Yeshurun, Shraga; Kay, David C.

Mathematics Teacher, v76 n5 p364-67,347 May 1983

Three ideas are explored: (1) an improvement of the SSA congruence theorem for trigonometry; (2) a discussion of the failure of SSA in spherical geometry; and (3) an extension of SSA to spherical geometry and hyperbolic geometry. (MNS)

Descriptors: Congruence (Mathematics), Geometric Concepts, Geometry, Investigations, Learning Activities, Mathematics Instruction, Proof (Mathematics), Secondary Education, Secondary School Mathematics, Trigonometry

Publication Type: Journal Articles; Guides - Classroom - Teacher

Education Level: N/A

Audience: Practitioners

Language: English

Sponsor: N/A

Authoring Institution: N/A

Grant or Contract Numbers: N/A

Author Affiliations: N/A