SOLUTION: If the two arms of an angle are perpendicular to the two arms of another angle then prove that the two angles are either equal or supplementary?

Algebra ->  Angles -> SOLUTION: If the two arms of an angle are perpendicular to the two arms of another angle then prove that the two angles are either equal or supplementary?       Log On


   

Question 500814: If the two arms of an angle are perpendicular to the two arms of another angle then prove that the two angles are either equal or supplementary?
Answer by cleomenius(959) About Me  (Show Source):
You can put this solution on YOUR website!
Two lines that form a right angle are perpendicular.
By definition a right angle is 90 degrees.
Since they are both 90 degrees they are equal.
Two adjacent 90 degree angles form an 180 degree straight angle.
Two angles that add to 180 degrees are supplementary.
Therefore the angles are both, equal and supplementary.
Cleomenius.