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an iron bar measures 11 cm x 7 cm x 5 cm it is melted down to make a cylinder height of 9 cm what is its radius
14 years ago

Answers

drwls
11 x 7 x 5 cm^3 = pi*R^2*9

Solve for R

R = sqrt[385/(9*pi)] cm

You do the numbers
14 years ago

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