US usage, definition 1: A quadrilateral which has a pair of opposite sides which are parallel. The parallel sides are called the bases, and the other two sides are called the legs. US usage, definition 2: A quadrilateral which has one parallel pair of opposite sides and one non-parallel pair of opposite sides. The parallel sides are called the bases, and the other two sides are called the legs. UK usage: The same as the US word trapezium. The UK word trapezium means the same as the US word trapezoid, and vice-versa. Commentary: Under US definition 1, a parallelogram is a type of trapezoid. Under US definition 2, a parallelogram is not a type of trapezoid. Regardless of which definition you prefer, the trapezoid area formula can be used to find the area of a parallelogram.
Harveysburg is a village in Massie Township, Warren County, Ohio, United States. The population was 546 at the 2010 census. It is best known as the home of the Ohio Renaissance Festival.
On 9/20/2000, a category F4 (max. wind speeds 207-260 mph) tornado 10.4 miles away from the village center killed one person and injured 100 people and caused $15 million in damages. Harveysburg-area historical earthquake activity is slightly above Ohio state average.