How does the number of sides of a polygon affect the angle measures? Learners recognize a pattern in finding the total measure of interior and exterior angles and the number of diagonals. They use the patterns to calculate the number of diagonals and angle measures.
- Extend the discussion of polygons to include regular and irregular shapes
- Highlight the new vocabulary using various examples for each term
- Pupils may be able to develop a formula on their own if given the opportunity
- The fifth installment in a 16-part series of geometry lessons
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- Develops formulas by analyzing patterns and determining the relationship that works for all polygons
- Includes problems for independent practice