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The circumference of a circle is 8pi\pi ft. Find its radius, in feet.
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The 원둘레 of a circle is 14pipi cm. Find its diameter, in centimeters.The sum of a number and its square is 6 . Find the number(s).The radius of a 원형 is 11 ft. Find its area in terms of pipi.Two buses leave towns 1206 kilometers apart at the same time and travel toward each other. One bus travels 15 km/h slower than the other. If they meet in 6 hours, what is the rate of each bus?Hank's age is 5 more than three times John's age. Hank is 29 years old. How old is John?