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.
A Quadrilateral. All rhombuses fall under the category of quadrilaterals, a flat shape with four sides. What makes rhombuses special is that all four of the sides are all the same length. If you are given the length of just one side of a rhombus, then you also know the measurement of all the other sides because of this property. This is the identifying property of a rhombus.