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A farmer wishes to fence a 100 m2 rectangular garden. He has 30m of barbed wire and isable to fence only three sides of the garden. Find the dimensions of the garden. |
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Answer» Let the length and breadth of the vegetable garden be x and y respectively We know that Area of Rectangle=length multiply breadth So,xy=100[because AREA=100 squqare meter y=100/x Also,the sum of three sides of the rectangular garden is 30meter x+100/x+100/x=30 So,x=10 and y=10 or x=20 and y=5 because it is a rectangular garden x=10 is not possible unless it is a square So,length=20 meter and breadth=5 meter i have one more question can you help me |
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