If the radius of a circle is doubled, its area becomes:
Adouble
Btriple
C4 times
D8 times
Answer & Solution
Correct answer: C. 4 times
1. Area of circle = πr².
2. If r becomes 2r, new area = π(2r)² = 4πr².
3. Therefore 4 times the original area.
_Source: KMAT Karnataka 2022 PYQ Q.73_
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