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50 Years of ERIC
50 Years of ERIC
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ERIC Number: EJ207082
Record Type: CIJE
Publication Date: 1979-Sep
Pages: N/A
Abstractor: N/A
Reference Count: 0
ISBN: N/A
ISSN: N/A
On the Radii of Inscribed and Escribed Circles of Right Triangles.
Hansen, David W.
Mathematics Teacher, v72 n6 p462-64 Sep 1979
An investigation using the Pythagorean theorem, the area of a triangle, and some first-year algebra yields a relationship between the radii of inscribed and escribed circles. (MP)
Descriptors: Algebra, Analytic Geometry, Area, Geometry, Learning Activities, Mathematics Instruction, Secondary Education, Secondary School Mathematics, Triangles (Geometry)
Publication Type: Journal Articles; Opinion Papers
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Identifiers: Proof (Mathematics)