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.
What kind of doctor treats COPD? They are called Pulmonologist a specialist who deals with  conditions of the lungs and respiratory tract. While not  physicians, respiratory therapists are specially trainedâ¦ healthcare  professionals who work with patients to help treat airway and  breathing problems caused by asthma.