The circumference of the circle exceeds its diameter by 45 cm find the circumference of the circle
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Answer:
2 πr-2r=45
2r(π-l)=45
2r (22/7-l)=45
2rx15/7=45
30r=315
r =315/30
circumference=2πr=2x22/7x315/3o
= 66 cm
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