PLZ ANSWER ALL OF THESE
I WILL MARK BRAINLEST

1.) Supplementary and x=146 because the line is equal to 180 so you subtract 34 from that

2.) Complementary and x=16 because the angle is equal to 90 so you subtract 74 from that

3.) I think it's 21m because you have to ad the length, height and width then multiple them by 2

Hope this helps!

i believe the answer is letter c) 8

step-by-step explanation: