The large intestine... What does the heart do and what system is it. The heart pumps blood to the body and consists of left nd right tre nd one ventricle.... What does the lungs do and what system is it from. In the lungs oxygen enters the blood and carbon dioxcide is realised into the air.
The definition of a trapezoid is a shape with four sides, only two of which are parallel. An example of a trapezoid is the base of a pyramid when the top is flat and there is not a point. 1  a plane figure with four sides, only two of which are parallel.  Brit. trapezium (sense )
Definition of Trapezoid. A trapezoid is a quadrilateral with only one pair of parallel sides. As shown in the picture below, the parallel sides of trapezoid ABCD are called bases and the sides that are not parallel are called legs. The degree measure of the four angles add up to 360 degrees. This is actually true of any quadrilateral.