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dlinn [17]
3 years ago
10

A basketball team wants to paint half of a free-throw circle grey. If the circumference of the free-throw circle is 30.77 feet,

what is the area that will be painted grey? Use 3.14 for π, and round to the nearest square foot. Enter your answer in the box.
Mathematics
1 answer:
Anton [14]3 years ago
3 0

Answer:

37.69    (≈ 38 ft²)

Step-by-step explanation:

2πr = 30.77

r = 30.77 / (2 * 3.14) = 4.9

half of free-throw circle area: πr² / 2 = (3.14 * 4.9²) / 2 = 37.69    (≈ 38 ft²)

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