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A roll of tape has a circumference of 19 centimeters. The circumference decreases 4 centimeters after you use some of the tape. What is the diameter of the roll after you use the tape?

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User AdrianTNT
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1 Answer

6 votes

Answer:

4.77 cm correct to the nearest hundredth.

Explanation:

The new circumference = 19 - 4 = 15 cm.

Circumference C = π * diameter

So the diameter = C/π = 15/π = 4.7746 cm

User Staros
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