Gas trapped in the bend of the colon lying near the spleen (splenic flexure) can cause pain in the left upper abdomen or in the left lower chest. Other symptoms and signs of the so called splenic flexure syndrome include: 1  Distension of the upper abdomen, which can be tender to touch or not.
SVG contains the following set of basic shape elements: 1  rectangles (including optional rounded corners), created with the ârectâ element, 2  circles, created with the âcircleâ element, 3  ellipses, created with the âellipseâ element,  straight lines, created with the âlineâ 1  element, polylines, created with the âpolylineâ element,  and.
Shapes with Parallel Sides. There are several shapes that have parallel sides as a distinguishing feature. The most common are the parallelogram, the rectangle, the square, and the trapezoid. These are the ones that you will most often hear about as having parallel sides. The trapezoid has one pair of parallel sides. The parallelogram, rectangle, and square all have two pairs of parallel sides. Other less common shapes with parallel sides include any of the '-gons' with an even number of sides, such as a hexagon, octagon, decagon, etc.