Follow these instructions to unclog your air conditionerâs drain line. 1  Step 1: Get out your wet/dry vacuum. 2  Step 2: Find the main drain line outside of your home. 3  Step 3: Connect the wet/dry vacuum hose to the main drain line.  Step 4: Check the vacuum for algae water and other debris.
The base angles theorem states that if the sides of a triangle are congruent (Isosceles triangle)then the angles opposite these sides are congruent.
an angle formed outside a polygon by one side and an extension of an adjacent side; the supplement of an interior angle of the polygon. It is said that he discovered the proposition relating to the exterior angle of a triangle. The sharp edge formed by two surfaces meeting at an exterior angle. The proposition relating to the exterior angle was recognized by Pappus of Alexandria.