SOLUTION: if the radius of a circle is increased by 30%,then the area of the circle is increased by___________ ______
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Question 715277: if the radius of a circle is increased by 30%,then the area of the circle is increased by__________________
Answer by Simnepi(216) (Show Source): You can put this solution on YOUR website!
30%==0.3
if we call the radius x then the new radius is 1.3x
since
squaring the radius gives
so the area has increased by
0.69 or 69%
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