5. A lifeguard has 40 m of rope to enclose a rectangular swimming area at a small lake. One side of the rectangle is a straight sandy beach. What are the dimensions of the largest swimming area that she can enclose? Swimming Pool y Lake

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5. A lifeguard has 40 m of rope to enclose a rectangular swimming
area at a small lake. One side of the rectangle is a straight sandy
beach. What are the dimensions of the largest swimming area that
she can enclose?
Swimming
Pool
y
Lake
O x = 5 m y = 30 m
O x = 10 m y = 20 m
O x = 8 m y = 24 m
O x = 9 m y = 22 m
Transcribed Image Text:5. A lifeguard has 40 m of rope to enclose a rectangular swimming area at a small lake. One side of the rectangle is a straight sandy beach. What are the dimensions of the largest swimming area that she can enclose? Swimming Pool y Lake O x = 5 m y = 30 m O x = 10 m y = 20 m O x = 8 m y = 24 m O x = 9 m y = 22 m
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