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Mathematics 6 Online
OpenStudy (unique_am_i):

How is this answer correct? 3. A family is building a circular fountain in the backyard. The yard is rectangular and measures 7x by 6x and the fountain is going to be circular with a radius of 2x. Once the fountain is build, what will be the area of the remaining yard? A. 38x^2 B. [x] 2x^2 (21 – 2pi) C. 42x^2 – 2pix^2 D. 38pix^2

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