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.
definition of a rhombus the rhombus is a parallelogram with four congruent sides a square is a special case of a rhombus properties of a rhombus these are some of the most important properties of a rhombus consider the rhombus abcd shown in the figure above 1 all sides are congruent equal lengths length ab length bc length cd length da a 2 opposite sides are parallel