Asked by Anonymous
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
Answers
Answered by
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
Solve for R
R = sqrt[385/(9*pi)] cm
You do the numbers
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