Extending Perimeter, Circumference, and...

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584 Chapter 9 Extending Perimeter, Circumference, and Area 9A Developing Geometric Formulas 9-1 Developing Formulas for Triangles and Quadrilaterals Lab Develop π 9-2 Developing Formulas for Circles and Regular Polygons 9-3 Composite Figures Lab Develop Pick’s Theorem for Area of Lattice Polygons 9B Applying Geometric Formulas 9-4 Perimeter and Area in the Coordinate Plane 9-5 Effects of Changing Dimensions Proportionally 9-6 Geometric Probability Lab Use Geometric Probability to Estimate π 584 KEYWORD: MG7 ChProj This map of Texas counties shows the elevations of different regions. 2 N D P R I N T