Kidney stones, also known as urolithiasis, are a common affliction of the urinary tract.
No. In order for a quadrilateral to be a trapezoid, it must have exactly one pair of parallel sides. A right trapezoid, therefore, has exactly one pair of right angles. However a square would be a right parallelogram (which is the current definition of a rectangle). In the UK, the word trapezoid refers to a quadrilateral with no sides parallel. They use the word trapezium to refer to what Canadians call a trapezoid. To make matters worse, North Americans call a quadrilateral with no parallel sides a trapezium. Here's a summary.
Confidence votes 2.7K. In geometry, a trapezoid, known as a trapezium outside of North America, is characterized by a convex quadrilateral with at least a single pair of parallel sides.However, some quadrilaterals with two pairs of parallel sides are simply known as parallelograms, and not considered a trapezoid at all.onfidence votes 2.7K. In geometry, a trapezoid, known as a trapezium outside of North America, is characterized by a convex quadrilateral with at least a single pair of parallel sides.