Mathematics
Medium
Question
The area of a circle is increased by 22Sq.cm when it’s radius is increased by 1cm. The original radius of the circle is_________?
A
6cm
B
3.2 cm
C
3 cm
✓ Official correct answer
D
3.5 cm
Community credibility
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A
6cm
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B
3.2 cm
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C
3 cm
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D
3.5 cm
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