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##### Sections

###### Try This

Exercise name | Free? |
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Try This 1 | |

Try This 2 | |

Try This 3 |

##### Other subchapters in Extending Perimeter, Circumference, and Area

- Are You Ready?
- Developing Formulas for Triangles and Quadrilaterals
- Developing Formulas for Circles and Regular Polygons
- Composite Figures
- Connecting Geometry to Trigonometry
- Multi-Step Test Prep
- Ready To Go On?
- Perimeter and Area in the Coordinate Plane
- Effects of Changing Dimensions Proportionally
- Connecting Geometry to Probability
- Geometric Probability
- Study Guide: Review
- Chapter Test
- College Entrance Exam Practice
- Test Tackler
- Standardized Test Prep