If the measure of angle 4 is 132 ,what is the measure of angle 7?

Something I noticed about angle 4, is that it shares a straight line with angle 3. (above it is a straight line)
A straight line equals 180 degrees.
So, angle 4 + angle 3= 180 degrees. 
Angle 3 is congruent to angle 7.
180-132= Angle 7
180-132= 48
48 degrees is your answer. 
I hope this helps:)

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