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so the question is very interesting and the answer is 12 × 15 so the answer is 180 rolls of ribbons
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Step-by-step explanation:











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hope it helps and u understand
check the steps in picture attached
Circumference = 2 x radius x Pi
Circumference = 2 x 0.8 x pi
Circumference = 1.6pi or 5.024 yards
area = r^2 x pi
Area = 0.8^2 x pi
Area = 0.64pi or 2.0096 square yards