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In the following figure, the sides AB, A...

In the following figure, the sides AB, AD and the diagonal AC. of the quadrilateral ABCD are extended and marked the points C, E, F. Also EF, FG are parallel to the 'sides DC, CE respectlyely and A C: C F=2: 1.
a) Find the ratio AB:BG.
b) If A B=10 centimetres, what is AG?
c) How maniy times the perimeter of quadrilateral ABCD?

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