Descriptor
| Geometric Concepts | 1 |
| Geometry | 1 |
| Manipulative Materials | 1 |
| Mathematical Concepts | 1 |
| Mathematics | 1 |
| Plane Geometry | 1 |
| Secondary School Mathematics | 1 |
| Trigonometry | 1 |
Source
| International Journal of… | 1 |
Author
| Callagy, J. J. | 1 |
Publication Type
Education Level
Audience
Location
Laws, Policies, & Programs
Assessments and Surveys
What Works Clearinghouse Rating
Peer reviewedCallagy, J. J. – International Journal of Mathematical Education in Science and Technology, 1971
This article shows how simple instruments may be used to construct angles of certain measures and applies this procedure to more detailed problems. A proof of the Pythagorean Theorem is given using these procedures. (CT)
Descriptors: Geometric Concepts, Geometry, Manipulative Materials, Mathematical Concepts
