Question

HELP PLZ. 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?

Answer 1

The length of a ribbon that will cover the edge of the circular drum is 76.98 in

The given parameter:

• radius of the  circular drum, r = 12.25 inches

To find:

• the length of a ribbon that will cover the edge of the circular drum

The length of a ribbon that will cover the edge of the circular drum is equal to the circumference of the circular drum.

The circumference of the circular drum = 2πr

The circumference of the circular drum = 2 x 3.142 x 12.25

The circumference of the circular drum = 76.98 in

Thus, the length of a ribbon that will cover the edge of the circular drum is 76.98 in

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