Given the area determine the diameter of a circle

The video tutorial guides students through determining the diameter of a circle given its area. The teacher emphasizes the importance of visualizing the problem by drawing a picture and using the correct formula. The area formula πR² is explained, and the process of solving for the radius is demonstrated. The teacher advises against premature rounding during calculations. Finally, the diameter is calculated by doubling the radius, with a reminder to round only at the end.

What should you be careful about when simplifying your answer in calculations?

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What is the final value of the radius when rounded to the nearest tenth?

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