Geometry
# General Polygons

What is the area of the shaded hexagon in rectangle \(ABCD\) in the diagram below?

**Details and assumptions:**

- If your answer is \(12 \text{ cm}^2\), type it in as \(12\).

What is the area of hexagon \(ABCDEF\) in the diagram below?

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**Details and assumptions:**

- Let \(\sqrt{3}=1.732.\)
- In the diagram above, red lines are parallel to one another and blue lines are parallel to one another.

What is the area of quadrilateral \(ABCD\) in the diagram below?

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**Details and assumptions:**

- Let \(\sqrt{3}=1.732.\)

What is the area of the nonagon inscribed in the circle with radius 4 below?

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**Details and assumptions:**

- Use the following formula to find \(\sin 15^\circ :\) \[\sin^2 15^\circ = \dfrac {1-\cos 30^\circ}{2}.\]
- Let \(\sqrt{2}=1.414,\) \(\sqrt{3}=1.732,\) and \(\sqrt{6}=2.449.\)

What is the area of the regular hexagon below, where the area of the shaded region is 34?

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