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  1. If the circumference of a circle increases from 4π to 8π, what change occurs in its area?
    1. It doubles
    2. It triples
    3. It quadruples
    4. It is halved
Correct Option: C

When the circumference is doubled, it means radius of circle is doubled, as circumference
= 2πr
Since, area = πr², it will quadrupled.


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