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Earn +20 ptsQ: A area of a circle is 49Pi square meters Find its radius?
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What is the volume of a cone with the radius of 7 and a height of 11?
The volume of a cone is 1/3Bh. 1/3(49pi)(11) is approximately 564.4394 u.2.
What is the circumference of a diameter 49mi circle?
circumference=pi(dimeter)c=pi(49)49pi mior 49 (3.14159265)so 153.93804 miis your answer!youre welcome:]
What is the square footage of a fourteen foot circle?
Assuming 14 is the diameter of the circle, you would use the equation pi(r)^2 to find pi(7)^2 is your answer. Don't have a calculator, so I'm gonna say 49pi is your final answerpi is about 3.14, doing it by hand...3 * 49 = 147.1 * 49 = 4.9.04 * 49 = 1.96Adding 147, 4.9, and 1.96 gives 153.86 square feet.Using a calculator, with more digits of pi gives 153.9380
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