Question
Figure E shows a rectangle ABCD. It is folded along AC to form Figure F. The area of Figure F is 611 of the area of Figure E. The area of the shaded part in Figure F is 30 cm2. Find the area of rectangle ABCD.
3 m

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Figure E shows a rectangle ABCD. It is folded along AC to form Figure F. The area of Figure F is 611 of the area of Figure E. The area of the shaded part in Figure F is 30 cm2. Find the area of rectangle ABCD.