Area Problems
The radius of a circle is increased so that its circumference increase by 5%. The area of the circle will increase by?

8.75 %
10 %
10.5 %
10.25 %

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Area Problems
The perimeter of two squares are 68 cm. Find the perimeter of the third square whose area is equal to the different of the areas of these two squares.

60 cm
32 cm
8 cm
64 cm

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