Step-by-step explanation:
Let the missing leg or side is x
By Pythagoras theorem
29²=11²+x²
x=√(29²-11²)
x=26.83
Answer:
33.16ft
Sin 56° = x / 40ft
0.829 = x / 40ft
x = 40ft * 0.829
x = 33.16ft
B
I am smart