find (a) the diameter (b) the radius of each circle given the circumference as take pie = 22 opon 7 61.6 m
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as i can understand, c=2pirR
61.6=2×22/7×r
61.6=44/7r
61.6×7/44=r
9.8=r
61.6=2×22/7×r
61.6=44/7r
61.6×7/44=r
9.8=r
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