While tooth decay is often the primary cause of a toothache, it's important for you to have a complete oral examination to determine the cause. Other causes of a toothache can include the following: 1  Infection. 2  Gum disease. 3  Grinding teeth (bruxism). 4  Tooth trauma. 5  An abnormal bite.
Thus the formal definition of corresponding sides can be stated as follows: In two or more different plane figures, the sides that are in the same position but in different plane figures are called corresponding sides.
Properties of Similar Polygons. 1  Corresponding angles are the same In the figure at the top, the following angles are congruent: P=L, S=O, R=N and Q=M. 2  Corresponding sides are all in the same proportion By definition each pair of corresponding sides are in the same proportion, or ratio.