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PQRS is a rectangle. The area of triangle RST is 7 and PT =2/5PS. What is the area of PQRS?
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|dw:1356508555327:dw|
can you re-write that PT ,PS relation ?
though its common sense, PT/PS = 2/5,right ?
yes
|dw:1356509031406:dw| area of rectangle = 5xy and from the area of triangle, we know the value of xy right ?
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