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.
1 The unequal side of an isosceles triangle is usually referred to as the 'base' of the triangle.  The base angles of an isosceles triangle are always equal. In the figure above, the angles â ABC and â ACB are always the same.