What is the area of the circle if the radius of the circle is doubled
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Answer:
if the radius of the circle is doubled then the area of the circle is 4 times
Step-by-step explanation:
Given that r=2r
the area of the circle =pi×r×r
= pi×2r×2r
=4×pi×r×r
=4×area of the circle
therefore if radius is doubled then the area is 4 times
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