Question

if the radius of the circle diminihed by 20% then its perimeter will be
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Answer 1

Step-by-step explanation:

19%

is the correct answer...

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Answer 2

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