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.
The Exterior Angle Theorem. In Euclidean geometry, the sum of the angles of any triangle is 180o. If you extend one side of a triangle, you get an exterior angle that is supplementary to its adjacent, interior angle: