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Mathematics 8 Online
OpenStudy (anonymous):

use the given information to find the lengths of all four sides of parallelogram ABCD: The perimeter is 92 cm. AD is 7cm more than twice AB

OpenStudy (anonymous):

|dw:1328143708472:dw| (3x+7)2=92 6x+14=92 6x=78 x=13cm AB=CD=13cm AD=BC=33cm

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