The circumfrence would double Example : C of 5 cm radius circle = 3.14 *2*5 C=3.14 C of 10cm radius circle = 3.14*2*10 C =62.8
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If the radius of a circle doubles, the circumference doubles, and so does the diameter.
The area quadruples.
The circumference of a circle increases with an increase in the radius as it is directly proportional its radius.
The circumference also doubles.
It splits