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Key Concept Quiz 9.2
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1
Mikhail is building a rectangular fishing weir. He has 144 m of netting that he can use to make the weir. What is the maximum area that he can enclose with the netting?
A)20 736 m2
B)5184 m2
C)1296 m2
D)144 m2
2
What are the dimensions that maximize the area of the weir in question#1?
A)12 m by 12 m
B)36 m by 36 m
C)72 m by 18 m
D)142 m by 1 m
3
Annie owns a ranch with an existing fence. She will use this as one side of a paddock for her horse. The remaining three sides will be made from 120 m of fencing. Find the maximum area that she can enclose.
A)1800 m2
B)1200 m2
C)900 m2
D)120 m2
4
What are the dimensions that maximize the area of the paddock in question#3?
A)60 m by 60 m
B)30 m by 90 m
C)30 m by 30 m
D)30 m by 60 m
5
Roxanne lives in a house where one wall of the house and the attached garage form an inside corner. She plans to build a garden shed using the two existing walls as two sides of the shed. The other two walls will be made from aluminum siding. She has 12 m of siding. Find the maximum floor area of the shed.
A)9 m2
B)12 m2
C)24 m2
D)36 m2





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