Answer:
7.83
Step-by-step explanation:
cos(40)=6/(ZX)
zx=7.83
Use pythagorians theorem a^2 + b^2 = c^2. 4^+20^ = 20.40 feet. The ladder is 20.40 feet long.
Answer: 50
Step-by-step explanation:
3(50)-14=136
Really hard, buy I'll try to solve. um,since WX and YZ are perpendicular, you have to multiply since its a 90° right angle. I hoped I helped :) can I be brainliest it will make my day :)