A greeting card is made up of three semicircles. Sarah wants to decorate the distance around the card with a ribbon, how much ribbon does Sarah need? round your answer to the nearest inch.

65 inches.

Step-by-step explanation:

The circumference of a circle can be calculated with the following formula:

Where "d" is the diameterof the circle.

In this case, the small semicircles are equal, then:

Then, their circumference are:

 Oberve that the diameter of the large semicircle is the sum of the diameters of  the small semicircles:

Then:

Therefore, the amount of ribbon Sarah needs is:

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step-by-step explanation:

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