Asked by Becca
A length 550cm of tin thread wraps around a cylinder exactly 25times. Calculate the circumference and the radius of the cylinder.
Answers
Answered by
Reiny
25 times the circumference = 550 cm
so 1 circumf = 550/25 = 22 cm
circumf = 2πr
2πr = 22
r = 11/(π) = ..... cm
so 1 circumf = 550/25 = 22 cm
circumf = 2πr
2πr = 22
r = 11/(π) = ..... cm
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