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Find the circumference of a circle with radius 1.4 in. long. Then use the approximation 3.14 for π and approximate the circumference.
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Find the circumference of a circle with radius 1.4 in. long. Then use the approximation 3.14 for π and approximate the circumference.

User Kristen
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The expression for the circumference of the circle is 2πr, where π is approximately 3.14 and the r is the radius of the circle, 1.4 inches. So the circumference of the circle is
2*1.4*3.14=8.792. So the circumference of the circle is 8.792 inches.
User Noga
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