SOLUTION: An angle has measure x(degrees). Find the average of the measures f a complement and a supplement of the angle.

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Question 154692: An angle has measure x(degrees). Find the average of the measures f a complement and a supplement of the angle.
Answer by orca(409) About Me  (Show Source):
You can put this solution on YOUR website!
The complement of angle x is 90° - x
The supplement of angle x is 180° - x.
So their average is
%28%2890+-+x%29%2B%28180+-+x%29%29%2F2
=%2890+%2B+180+-2x%29%2F2
=%28270+-+2x%29%2F2
=270%2F2+-+%282x%29%2F2
=135-x