To find the length of the ribbon, we need to find the circumference of the circular drum. The formula for the circumference of a circle is C = 2πr, where C is the circumference and r is the radius.
Given that the radius of the drum is 12.25 inches, we can calculate the circumference using the formula:
C = 2π(12.25) ≈ 77.0 inches
Therefore, the length of the piece of ribbon needed is approximately 77.0 inches.
A circular drum has a radius of 12.25 inches. Karen wants to glue a ribbon around the edge of the drum. If Karen has exactly enough ribbon, which measurement is closest to the length of the piece of ribbon in inches?
1 answer