Final answer:
When solving a special triangle, you should always check for right angles. A right triangle is a triangle with one angle that measures 90 degrees.
Step-by-step explanation:
When solving a special triangle, you should always check for right angles. A right triangle is a triangle with one angle that measures 90 degrees. This is important because the Pythagorean theorem, which relates the sides of a right triangle, only applies to right triangles.