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AMC10 2027 - Self-practice Set 5 Question 3

AMC10 · AMC10 2027 - Self-practice Set 5

Question 3

A cylindrical pipe has diameter $30\text{ cm}$ and height $80\text{ cm}$. A gray stripe of horizontal width $3\text{ cm}$ winds exactly twice around the pipe as shown. What is its area in $\text{cm}^2$?

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