SOLUTION: the radius of a circle is decreased by 8%. The % difference of the area of the circle is? Can you please show me the steps?
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Question 338905: the radius of a circle is decreased by 8%. The % difference of the area of the circle is? Can you please show me the steps?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
The area of a circle is,
If the radius is increased 8%, then
The new area is,
The ratio of new area to old area is
or a 16.64% increase in area.
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