Question
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
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