The area of a circle is equal to 38.5 square metre find its circumference in centimetre
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Answer:
2198 cms
Step-by-step explanation:
GIVEN area of circle(3.14*r*r)=38.5 square metres
TO FIND:circumference(2*3.14*r)
3.14*r*r=38.5
r*r=38.5/3.14
r^2=12.26
r=3.50 metres
circumference=2*3.14*3.50
=21.98 metres
=21.98*100
=2198 cms
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