volume of a cylinder is 686 cubic cm and height is 14cm. find its diameter
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height 14cm
volume 686 cm^3
volume of Cylinder
= πr^2h
=>22/7*r^2*14=686
=>r^2=686*7/22*14
=>r^2=62.36
=>r^2=7.89cm
D=2r
D=2*7.89
D=15.79
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