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Anonymous
r=9yd
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174 sq. yards
174 sq. yds
pie x 4.5 squared
Area(A)/ Area(B) = pi*rA2/pi*rB2 = rA2/rB2 = 16/81
1 sq yd = 1 yd * 1 yd = 3 ft * 3 ft = 9 sq ft. 11 ft * 9 ft = 11*9 sq ft = 99 sq ft = 99/9 sq yd = 11 sq yd