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Answer:
24sq.in
Step-by-step explanation:
Let, length be x and width be y.
x= 6y
2(x+y)=28
or, 2(6y+y)=28
or, 2×7y=28
or, 14y =28
y=2
x= 6×2=12
area= 12×2 = 24 sq.in