A compact disc has a thickness of 1mm. The diameter of the disc is 12 cm.The volume of the C.D...
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Answered by
5
Volume of the CD =
⇒. 22/7(D^2-d^2)h
11.13=22/7(12^2-d^2)×0.1
Solving we get d = 10.42 cm
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Answered by
2
thickness of CD = 1mm =0.1cm=h
Diameter of CD= 12cm, radius= 6cm
Volume of CD= πr^2h/3
= 22×6×6×0.1/7×3
=264/70
=3.7714cm^3
Diameter of CD= 12cm, radius= 6cm
Volume of CD= πr^2h/3
= 22×6×6×0.1/7×3
=264/70
=3.7714cm^3
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