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Mathematics 8 Online
OpenStudy (anonymous):

Sandy cut out 2 squares and 7 circles from a piece of cardboard. The length of the sides of each square was x inches and radius of each circle was y inches. The expression below shows how many more square inches of cardboard Sandy used for making the circles than the squares. 7πy^2 - 2x^2 What does the term 7πy^2 in the expression represent? A. The total area of 7 circles B. The total area of 22 circles C. The total area of all the shapes D. The total area of all the squares

OpenStudy (anonymous):

The answer is A. because (3.14)y^2 represents the formula to find the area of a circle. The y represents the radius of a circle. The 7 represents the number of circles. So A. Is the answer.

OpenStudy (anonymous):

That's what I was thinking. Thanks for your help!

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