Answer:
x = 5.7
Explanation:
This is a right triangle so we can use trig functions
tan theta = opp/ adjacent
tan 35 = 4/x
Multiply each side by x
x tan 35 = 4
Divide each side by tan 35
x = 4/ tan 35
x =5.712592027
Rounding to the nearest tenth
x = 5.7