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Mathematics 13 Online
OpenStudy (anonymous):

Calculate the area of the square shown. A. 81 units B. 324 units C. 162 units D. 648 units

OpenStudy (anonymous):

|dw:1376419768602:dw|

OpenStudy (amistre64):

recall the pythag thrm for a right triangle |dw:1376419932980:dw| s^2+s^2 = 18^2 and since the area of a square is just s^2 ... solve for s^2

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