Please choose the correct ending to complete the given sentence: Education and Communications: [header] How to learn trigonometry [title] Define the parts of a triangle. [step] At its core, trigonometry is the study of relationships present in triangles. A triangle has three sides and three angles.

Ending1: The right sides are the perimeter and left sides are the corners. Not every triangle is equal in most ways. Ending2: The right sides are the base, the right side is the base, and the left sides are the angles. When you study triangles, you may have a 2 of a kind triangle. Ending3: Plus, we can connect everything in the triangle horizontally, horizontally, or vertically. Most of the time, this means that the ends of the triangles face one another and the sides face each other. Ending4: By definition, the sum of angles for any triangle is 180 degrees. You should familiarize yourself with triangles and triangle terminology to succeed in trigonometry.

Answer format: ending1/ending2/ending3/ending4