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If the diameter of a circle changes from 5cm to 15cm, how will the circumference change
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If the diameter of a circle changes from 5cm to 15cm, how will the circumference change

User Sandeep Singh Rawat
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1 Answer

7 votes
The circumference will triple.

C=πd
For d=5cm, this is C=5π.
For d=15cm, this is C=15π.

The second one is 3 times the first one.
User Upitau
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