Q6.1] The area of a rectangle is xy-x-y+1 ,then its length and breadth are ----and--------
ii] The side of a square is (6y-7),then its area is--------
m] The area of a parallelogram is 10y(6y+21) and its base is 5(2y+7), then its height is-------
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Step-by-step explanation:
10y(6y+21)÷5(2y+7)=
5(2y+7)
10y(6y+21)
=
5×(2y+7)
5×2×y×3×(2y+7)
=
1
2×y×3
=6y
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