Trisha has a game board as shown below, which is a square that has a total area of 400 square inches. The area of the large circle is 314 square inches.
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area of square is a^2 where a is length of each side, so a =20 area of circle is pi*r*r for largest circle diameter must be equal to side r=a/2 that is 10 so area is 3.14*10*10 =314
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