The sides and angles of a square: The sides of a square are all congruent (the same length.) The angles of a square are all congruent (the same size and measure.) Remember that a 90 degree angle is called a right angle. So, a square has four right angles. Opposite angles of a square are congruent. Opposite sides of a square are congruent. Opposite sides of a square are parallel.
Follow Following Unfollow Pending Disabled. A Dr. Nasser A. Chaudhry, MD , Cardiology (Cardiovascular Disease), answered on behalf of Lourdes Health System. Doctors who practice phlebology are the specialists who treat varicose veins. These specialists may include family practitioners, internists, dermatologists, radiologists, cardiologists and general and vascular surgeons.
When Should Someone Seek Medical Care for a Bruise? Call the doctor if the bruise is accompanied by swelling and extreme pain. Call the doctor if one is taking a blood-thinning medication for a medical condition and notices significant bruising. Call the doctor if bruises occur easily or if bruises appear for no reason.