A carpenter had a rectangular board which measured 4m by 3m. He cut out a square piece side 125 cm.What is the ratio of the area of the cut out piece and the remaining piece?
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1.Area of board is l×b..
which is equal to 400 into 300 cm
2.area of square is l^2
which is equal to 125 x 125
3. no of square =area of board ÷area of square
which is equal to....
300 x 400
__________
125 x 125
60 x 80
_______
25 x 25
=12 x 16
_________
5 x 5
= 192÷ 25
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