Question
Two rectangular mats, each 4 m by 7 m are placed on the floor as shown. The mats overlap and the area of the floor covered by the overlap is 7.2 m2. Find the length of FG.
3 m

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Two rectangular mats, each 4 m by 7 m are placed on the floor as shown. The mats overlap and the area of the floor covered by the overlap is 7.2 m2. Find the length of FG.