This math topic focuses on calculating the area of a circle using the radius. It's part of a broader unit on introductory geometry, specifically concerning the area of circles. The tasks encourage students to find the area without using a calculator, and provides a useful hint that pi is just slightly over 3. The problems have been designed to help improve the understanding of circle geometry and enhance critical thinking skills.
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Find the area without using a calculator. Remember that π is just a bit more than 3.