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.
Read the Find the Right Treatment for Your Back Pain article > >. What they treat: Back pain is a common reason people seek out chiropractors, but these specialists treat pain from all kinds of conditions, injuries, and accidents -- even chronic headaches. They don't prescribe medicine, but they use hands-on techniques to offer relief.
An endocrinologist is a specially trained doctor who can diagnose and treat diseases that affect your glands, hormones and your endocrine system. The pancreas is part of the endocrine system, and insulin is one of the central hormones the body needs to function properly.