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If S=4pie r square what is the positive value of R when S=616 (take pie to be 22 upon 7) please answer with explanation and I promise to make them the brainliest

Answer» ONG>Answer:

7

Step-by-step explanation:

S=4 pie R square

616= 4 * 22/7 * r^2

r^2 = 616 * 7/22 * 1/4

r^2 = 49

r = 7



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