Perimeter and Area of Irregular Shapes

This example demonstrates how to calculate the perimeter and area of irregular polygons. Key math concepts include perimeter, area, polygons, and real number operations. Construction highlights involve using commands like Textfield, Polygon, Area, Perimeter, creating points A, B, C, D, calculating the area and perimeter of poly1, and displaying results. Suitable for middle school and above, focusing on measurement techniques and GeoGebra skills.