IM 7.3.9 Practice: Applying Area of Circles

This GeoGebra example demonstrates how to apply the area formula of a circle to solve practical problems involving circular regions. It is a practice exercise from the Illustrative Mathematics curriculum (IM 7.3.9). The core mathematical concepts include the area formula A = πr², the relationship between radius and diameter, and using area calculations in real-world contexts such as comparing sizes or estimating quantities. In terms of construction, the example contains only a single image object (pic1) as per the construction summary, indicating that the focus is on interpreting the given scenario and performing calculations rather than on dynamic geometric construction. This resource is suitable for seventh-grade students (or equivalent) as a homework or classroom practice, helping them reinforce their understanding of circle area and apply it to word problems.