Lena measures a circular magnet and calculates that it has an area of 3.14 square inches. What is the magnet's diameter?
Question
Solution 1
To find the diameter of the magnet, we first need to understand the relationship between the area of a circle and its diameter. The formula for the area of a circle is πr², where r is the radius of the circle.
Given that the area of the magnet is 3.14 square inches, we can set up the equation:
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