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 Can I Expect if Sent to a Hematologist? A hematologist is a doctor who specializes in studying, diagnosing, and treating disorders of the blood, such as leukemia, HIV, and clotting disorders. This specialty is particularly important because the blood is the method that the body uses to deliver oxygen and nutrients to tissues.