If the circumference of a circle is 57.2cm then it's radius will be – InterviewSolution

1.	If the circumference of a circle is 57.2cm then it's radius will be
Answer» r-9.1 cmStep-by-step explanation:We KNOW that the circumference is the perimeter or boundary of the circleIf the circumference were opened then it would form a straight LINE segment.So, here we have been given the length of the line segment(circumference)I.e. 57.2cm.So,we know that the formula of finding the circumference is 2πr.2πr=57.2=2×22/7×r=57.244r/7=57.2Then,r=57.2×7÷44=400.4÷44=9.1cmr=9.1cmpls mark my ANSWER as BRAINLIST.

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