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Key Concept Quiz 9.1
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1
Nieves plans to enter the Prolific Garden contest. She is allowed an area of 72 m2 to grow as many soybeans as possible. She plans to put rabbit fencing, which comes in 1 m lengths, around the garden. Which of these is possible for the dimensions of the garden?
A)12 m by 7 m
B)18 m by 4 m
C)24 m by 2 m
D)All of these are possible.
2
Suppose that Nieves chose dimensions of 36 m by 2 m. How many lengths of fencing would she need?
A)146
B)74
C)72
D)38
3
What dimensions would satisfy the rules, but result in a minimum length of fencing required?
A)9 m by 8 m
B)12 m by 6 m
C)18 m by 4 m
D)72 m by 1 m
4
What is the minimum number of lengths of fencing required?
A)34
B)36
C)44
D)74
5
When Nieves went to Gustav's Gardening Centre, she found that she could buy rabbit fencing in any length that she desired. To the nearest tenth of a metre, what dimensions would result in the minimum perimeter under these conditions?
A)9.5 m by 7.5 m
B)9 m by 8 m
C)8.8 m by 8.2 m
D)8.5 m by 8.5 m





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