A cd and a DVD have the same diameter. Explain why they have the same circumference

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05-09-2017
Mathematics

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A cd and a DVD have the same diameter. Explain why they have the same circumference

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kphung76127 kphung76127 · Answer 1 · 2017-09-05T01:24:34+02:00

kphung76127 kphung76127

05-09-2017

Circumference is equal tp pi*diameter. Because pi is a fixed constant and diameter is the same, the two circumferences are the same.

Any two circular objects with the same diameter or the same radius have the same circumference.

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