Which statement can be concluded using the true statements shown?
If two angles in a triangle measure and x degrees, then the third angle measures (90 − x) degrees.
In triangle ABC, angle A measures 90 degrees and angle B measures .
Angle C must measure 50 degrees.
Angle C must measure 40 degrees.
Angle C must measure (90 − 40) degrees.
Angle C must measure (90 − 30) degrees.
