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January 30, 2015

January 30, 2015

Posted by **Jade** on Wednesday, August 25, 2010 at 12:27pm.

- math -
**Henry**, Wednesday, August 25, 2010 at 3:50pm1ST Rectangle

Length = x cm

Width = (x - 6) cm

2nd Rectangle

Perimeter = 54 cm

Width = (x - 6) + 3 = (x - 3) cm

Length = (x - 2) cm

P = 2W + 2L

P = 2(X - 3) + 2(X - 2)

54 = 2x - 6 + 2x - 4

x = 16 cm

Width = x - 3 = 16 - 3 = 13 cm

Length = x - 2 = 16 - 2 = 14 cm

1st Rectangle

Width = x - 6 = 16 - 6 = 10 cm

Length = x = 16 cm

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