Answer:
x=8.6 m, and x=7.9 ft
Step-by-step explanation:
Hello, I think I can help you with this
this is a right triangle, which means we can use a trigonometric relationship that relates the angle, the hypotenuse and the opposite side
Let's remember

Step 1
P.41
Let
α=35 degrees
hypotenuse= 15m
opposite side =unknown= x
replacing

Step 2
(second triangle p.42)
Let
α=44 degrees
hypotenuse= 11 ft
adjacent side =unknown= x
replacing

I hope it helps, have a nice day