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ERIC Number: EJ875479
Record Type: Journal
Publication Date: 2005
Pages: 6
Abstractor: As Provided
Reference Count: 0
ISSN: ISSN-0740-8404
Some Unusual Expressions for the Inradius of a Triangle
Osler, Thomas J.; Chandrupatla, Tirupathi R.
AMATYC Review, v26 n2 p12-17 Spr 2005
Several formulae for the inradius of various types of triangles are derived. Properties of the inradius and trigonometric functions of the angles of Pythagorean and Heronian triangles are also presented. The entire presentation is elementary and suitable for classes in geometry, precalculus mathematics and number theory.
American Mathematical Association of Two-Year Colleges. 5983 Macon Cove, Memphis, TN 38134. Tel: 901-333-4643; Fax: 901-333-4651; e-mail:; Web site:
Publication Type: Journal Articles; Reports - Descriptive
Education Level: Postsecondary Education; Two Year Colleges
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A