Answer:
F'=12.1243557 N
Step-by-step explanation:
Let the horizontal component of force he is pulling with be F' Newtons and the force applied be F Newtons.

Answer:
270°
Step-by-step explanation:
360/4 = 90
90*3 = 270
Answer:
The answer should be about 114.
Step-by-step explanation:
Of you look at the shape of the other angles. B and D seem to be about 90 and the shape of A is just a little bit bigger than ninety. I started by adding 78, 90, and 90 together which gave me 246. Then I subtracted 246 from 360 which gave me 114. I had estimated the answer to be around 110.