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.
More about Angle Addition Postulate. 1  If the sum of the two angles measure up to 90 0, then the angles are called to be 'complementary angles'. 2  If the sum of the two angles measure up to 180 0, then the angles are called to be 'supplementary angles'. 3  The angles sharing a common side are called as 'adjacent angles'.