CEMC Fermat, 2007

Geometry Difficulty 3.0 AMC 10/12 Find the answer Canada

In the diagram, each of the three squares has a side length of 3. Two of the squares have a common vertex $O$ , and $O$ is the centre of the square labelled $ABCD$ . The perimeter of the entire figure is closest to

(A) $21.5$ (B) $22.0$ (C) $22.5$ (D) $24.0$ (E) $30.0$

Figure for this problem

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