The circumference of a circle exceeds the diameter by 30cm . Find the radius of the circle
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I think its 15 because radius is half of a diameter
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2πr-2r=30
2r(22/7 - 1)=30
2r(15/7)=30
r= (30 ×7)/(15×2)
r=7cm
2r(22/7 - 1)=30
2r(15/7)=30
r= (30 ×7)/(15×2)
r=7cm
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