Descriptor
| Geometric Concepts | 1 |
| Graphs | 1 |
| Mathematical Formulas | 1 |
| Mathematics Education | 1 |
| Mathematics Instruction | 1 |
| Trigonometry | 1 |
Source
Author
| Clark, Sheldon B. | 1 |
Publication Type
| Guides - Classroom - Teacher | 1 |
Education Level
Audience
Location
Laws, Policies, & Programs
Assessments and Surveys
What Works Clearinghouse Rating
Clark, Sheldon B. – 1983
In light of evidence indicating that errors in making accurate pie charts are prevalent, an alternative method for constructing pie charts is proposed. It involves the use of a simple trigonometric formula to compute a factor of the length of the chord that defines a given percentage sector. This factor is multiplied by the radius of the circle to…
Descriptors: Geometric Concepts, Graphs, Mathematical Formulas, Mathematics Education


