lf the radius of the circle is increased by 100%,then the area is increased by what %?
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We know that the area of a circle=πr^2.
Now when we increase the radius by 100%, radius becomes equal to (2r).
Now area of the circle=π(2r)^2 =4πr^2.
Therefore, increased area = 3 πr^2.
Hence the area increased by 300%.
Now when we increase the radius by 100%, radius becomes equal to (2r).
Now area of the circle=π(2r)^2 =4πr^2.
Therefore, increased area = 3 πr^2.
Hence the area increased by 300%.
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10000 %. Hope this is the answer your want
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