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Mathematics 7 Online
OpenStudy (anonymous):

the ratio of perimeters is 4:5. the area of the smaller figure is 15dm what is the area of the other figure Ab for bigger cylinder=242dm2 AB of smaller=72dm2

OpenStudy (anonymous):

the area goes with the square, so if the ratio of the perimeters is 4 : 5 then the ratio of the areas is 16 : 25

OpenStudy (primeralph):

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