How much string would you need to go around of a hat shaped like a cone if the radius is 4 inches? (Use 3.14 for pi)

a) 12.56 inches

b) 25.12 inches

c) 50.24 inches

d) 120.32 inches

The answer is b. 25.12

because we are finding the amount of rope to go around the circle, we are looking for the circumfrence of the circle, and the formula for the circumfrence of the circle is diameter (pi). because the radius of the circle is 4 inches, the diameter iss 8 inches because the diameter is 2 (radius) and using multiplication, we can find the the circumfrence to be 25.12 inches