if the radius of the circle diminihed by 20% then its perimeter will be
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if the radius of the circle diminihed by 20% then its perimeter will be
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Step-by-step explanation:
19%
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Answer:
64% old area
Step-by-step explanation:
Area of Square = Pi* radius^2
New Radius = 4/5 * old radius
so new area = (4/5)^2 old area => 16/25 of old area => 64% old area