| 31. | One example of such a quadrilateral is a non-square rectangle.
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| 32. | Then draw in the other two sides to form a convex quadrilateral.
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| 33. | A tangential quadrilateral with two pairs of parallel sides is a rhombus.
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| 34. | Lets say you have four points that make up a convex quadrilateral.
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| 35. | He put together the quintessential quadrilateral that would be entitled the Grand Slam.
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| 36. | These points can be used to define an Euler line of a quadrilateral.
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| 37. | This expressway is part of the Golden Quadrilateral project.
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| 38. | Any triangle or quadrilateral ( even wallpaper group p2.
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| 39. | Therefore, a quadrilateral has two diagonals, joining opposite pairs of vertices.
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| 40. | An example of a concave quadrilateral is the dart.
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