Find the Diameter of circle with the following circumference:a) 31.4cm – InterviewSolution

1.	Find the Diameter of circle with the following circumference:a) 31.4cm
Answer» 1 cmStep-by-step EXPLANATION:CIRCUMFERENCE of a circle = 2πr ⇒ 31.4 cm = 2πr we know π = 22/7 = 31.4⇒ 31.4 cm = 2 x 31.4 x r⇒31.4 / 2X 31.4 cm = r⇒1/2 cm = rdiameter = 2x r⇒d = 2 x 1/2 cm⇒ diameter = 1 cm

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