Asked by Cristal


I need to find volume of a compact disc with radius of 60mm, diameter of 120mm and height of 1.2mm Volume = (ð x r2) x H V= 3.141592 X120 X 1.2 452.16 rounded to 452 Is my answer right?
Answered by Prk
Answer is 135.648 sq. cm
ie =3.14*60*60*1.2 sq mm
Answered by me
Check your formula it should be Rsquared not R2 (60x60) not 2X60
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