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2004 AMC 10A Question 19

AMC10 · 2004 AMC 10A

Question 19

A white cylindrical silo has a diameter of $30$ feet and a height of $80$ feet. A red stripe with a horizontal width of $3$ feet is painted on the silo, as shown, making two complete revolutions around it. What is the area of the stripe in square feet?

Question illustration
  1. $120$
  2. $180$
  3. $240$
  4. $360$
  5. $480$