Atriangle has angles that measure 53° and 66°. what is the measure of the third angle? °

1. if events a and b are non-overlapping events, how do you find the probability that one or the other occurs? 2. what does it mean if p(a or b) equals 1?

X– 4 = 12.5 can be written in words as

∠a and ∠ b are complementary. if m∠ b = 80°, what is the measure of ∠ a? 10° 80° 90° 100°