NotesFAQContact Us
Collection
Advanced
Search Tips
50 Years of ERIC
50 Years of ERIC
The Education Resources Information Center (ERIC) is celebrating its 50th Birthday! First opened on May 15th, 1964 ERIC continues the long tradition of ongoing innovation and enhancement.

Learn more about the history of ERIC here. PDF icon

Back to results
Peer reviewed Peer reviewed
ERIC Number: EJ133392
Record Type: CIJE
Publication Date: 1976
Pages: N/A
Abstractor: N/A
Reference Count: 0
ISBN: N/A
ISSN: N/A
On the Steepness of Cones
Ranucci, Ernest R.
Mathematics Teacher, 69, 2, 140, Feb 76
Properties of cones can be studied by considering the circular sector obtained by slitting and unrolling the surface of the cone. (SD)
Descriptors: Curriculum, Geometric Concepts, Geometry, Instruction, Learning Activities, Mathematics Education, Measurement, Ratios (Mathematics), Secondary Education, Secondary School Mathematics
Publication Type: N/A
Education Level: N/A
Audience: Practitioners
Language: N/A
Sponsor: N/A
Authoring Institution: N/A
Identifiers: N/A