Alcohol Effects question 3. A âhangoverâ is perhaps the least concerning effect amongst the gamut of negative health consequences to drinking â which also includes cardiovascular damage, increased risk for depression, liver damage, and cancers.
A quadrilateral is a closed figure with four straight sides. A closed figure means there are no gaps between sides and no side extends past the end of another side. If both segments lie inside the quadrilateral, then the figure is convex.
A quadrilateral is any four sided polygon. There is no requirement for it to have any parallel sides. However a trapezoid (American English called a Trapezium in British English) is a quadrilateral with one set of parallel sides. A parallelogram is a quadrilateral with two sets of parallel sides.