When symptoms occur, they often develop gradually, and may include: 1  Cough. 2  Fatigue, exhaustion, and light-headedness. 3  Rapid breathing.  Sensation of feeling the heart beat (palpitations) or a rapid 1  heartbeat. Shortness of breath that increases with activity and when lying down.
Yes, because a square is just a rhombus where the angles are all right angles. It is more common to call this shape a rhombus, but some people call it a rhomb or even a diamond.
Rhombus. In Euclidean geometry, a rhombus (â), plural rhombi or rhombuses, is a simple (non-self-intersecting) quadrilateral whose four sides all have the same length.his page is about the meaning, origin and characteristic of the symbol, emblem, seal, sign, logo or flag: Rhombus.