If the radius of a circle is decreased 60%, what happens to the area? Answers:	A) 10% decrease	B) 20% decrease	C) 36% decrease	D) 84% decrease	E) 50% decrease
Area of Square = Pi* radius^2   New Radius = 0.4 * old radius   so new area = (0.4)^2 old area =&gt; 0.16 of old area =&gt;16% old area   Ans : 84% decrease
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If the radius of a circle is decreased 60%, what happens to the area?